WO2024102576A1 - Structure de montage de module de stockage d'énergie - Google Patents

Structure de montage de module de stockage d'énergie Download PDF

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Publication number
WO2024102576A1
WO2024102576A1 PCT/US2023/077583 US2023077583W WO2024102576A1 WO 2024102576 A1 WO2024102576 A1 WO 2024102576A1 US 2023077583 W US2023077583 W US 2023077583W WO 2024102576 A1 WO2024102576 A1 WO 2024102576A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy storage
storage module
frame
panel
mounting structure
Prior art date
Application number
PCT/US2023/077583
Other languages
English (en)
Inventor
Shamshad S. SYED
Dennis Dean WETTERICH
Baba Sharat Chandra Lingozi
Karthikeyan GANESH
Ankush SHARMA
Gurbachan Singh BUMRAW
Juan Jaime URBINA
Ian Alistair Tiggemann
Nicholas Paul HUTTSELL
Sreedhar KOMARA
Original Assignee
Caterpillar Global Mining Equipment Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Caterpillar Global Mining Equipment Llc filed Critical Caterpillar Global Mining Equipment Llc
Publication of WO2024102576A1 publication Critical patent/WO2024102576A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method

Definitions

  • the present disclosure relates to a system and apparatus for mounting an energy storage module to a frame, and more particularly, to a system and apparatus for serviceably and protectively side-mounting an energy storage module such as a battery and associated components to a frame of a machine.
  • Machines may be used to perform a variety of tasks at a worksite. For example, machines may be used to excavate, move, shape, contour, and/or remove material present at the worksite, such as gravel, concrete, asphalt, soil, and/or other materials. These machines are large and traditionally powered by large internal combustion engines (ICEs). To supplement, or even to replace, such ICEs, electric motors are often utilized, which require high capacity batteries and associated components. A high capacity battery is typically large and heavy, and requires a sturdy enclosure and mounting mechanism to withstand the environment while the machine performs tasks at the worksite.
  • ICEs internal combustion engines
  • a high capacity battery is typically large and heavy, and requires a sturdy enclosure and mounting mechanism to withstand the environment while the machine performs tasks at the worksite.
  • Japanese Patent Application Publication No. 2016-192335 A by Nakajima, et al. (“the ’335 publication”), published on November 10, 2016, describes a battery pack that includes a lower compartment housing a first battery module, an upper compartment housing a second battery module, and a side compartment housing a converter and a control unit. As explained in the ’335 publication, these compartments are attached to each other secured by fasteners on mounting shafts.
  • the battery pack comprising the upper, lower, and side compartments, is covered with top, bottom, front, rear, and side panels by securing them to the intermediate support member by nuts and bolts.
  • the ’335 publication describes a battery pack with external panels, the modules within the battery pack are not easily serviceable because they are secured to each other to form the battery pack. Additionally, while the ’335 publication describes how the components of the battery pack are assembled to form the battery pack and provides that the battery pack is mounted as a power source for an electric motor, a lighting device, a control device, and the like in an electric vehicle, the ’335 publication does not describe how the battery pack is mounted to an electric vehicle.
  • an energy storage module mounting structure may include a plurality of frame panels that forms a cradle for supporting an energy storage module and includes a front panel, a first side panel, a second side panel, and a bottom panel, wherein one or more panels of the plurality of frame panels have one or more cutouts for providing access to the energy storage module and reducing weight while maintaining strength to support the energy storage module; a first mounting device attached to an upper portion of the front panel and attachable to one or more first receiving devices of a frame of a machine; a second mounting device attached to a lower portion of the front panel and attachable to one or more second receiving devices of the frame; and one or more covers attachable to the cradle for providing physical protection for the energy storage module.
  • an attachable energy storage module system may include an energy storage module having an energy storage unit for storing and providing energy associated with operation of a machine and a control unit coupled to the energy storage unit for managing operation of the energy storage unit; a plurality of frame panels that form a cradle for supporting the energy storage module and includes a front panel, a first side panel, a second side panel, and a bottom panel, wherein one or more panels of the plurality of frame panels have one or more cutouts for providing access to the energy storage module and reducing weight while maintaining strength to support the energy storage module; a first mounting device attached to an upper portion of the front panel attachable to one or more first receiving devices of a frame of the machine; a second mounting device attached to a lower portion of the front panel and attachable to one or more second receiving devices of the frame; and one or more covers attachable to the cradle for providing physical protection for the energy storage module.
  • a machine may include a frame; one or more electric motors supported by the frame; one or more electric motors supported by the frame; an energy storage module for providing power to the one or more electric motors wherein the energy storage module includes an energy storage unit for storing and providing energy associated with operation of the one or more electric motors and a control unit coupled to the energy storage unit for managing operation of the energy storage unit; an energy storage module mounting structure supported by the frame wherein the energy storage module mounting structure includes: an energy storage module mounting structure supported by the frame wherein the energy storage module mounting structure includes a plurality of frame panels that forms a cradle for supporting the energy storage module and includes a front panel, a first side panel, a second side panel, and a bottom panel, wherein one or more panels of the plurality of frame panels have one or more cutouts for providing access to the energy storage module and reducing weight while maintaining strength to support the energy storage module; a first mounting device attached to an upper portion of the front panel and attachable to one or more first receiving devices of the frame;
  • FIG. l is a schematic view of an example energy storage module mounting structure attached to a frame of a machine.
  • FIG. 2 illustrates an angled front-and-side view of the energy storage module mounting structure.
  • FIG. 3 illustrates an angled back-and-side view of the energy storage module mounting structure.
  • FIG. 4 illustrates a back view of the energy storage module mounting structure.
  • FIG. 5 illustrates an angled front-and-side view of the energy storage module mounting structure shown with some protection panels.
  • FIG. 6 illustrates another angled front-and-side view of the energy storage module mounting structure shown with some protection panels.
  • FIG. 7 illustrates an angled front-and-side view of another energy storage module mounting structure.
  • FIG. 8 illustrates an angled top-front-and-side view of the other energy storage module mounting structure with some protection panels.
  • FIG. 9 illustrates an angled back view of the other energy storage module mounting structure shown with the top protection cover and a back protection cover.
  • FIG. l is a schematic view of an example energy storage module mounting structure 100 attached to a frame 102 of a machine 104.
  • the energy storage module mounting structure 100 includes a first mounting device 106 attached to an upper portion of the example energy storage module mounting structure 100 and a second mounting device 108 attached to a lower portion of the example energy storage module mounting structure 100.
  • the first mounting device 106 is attachable to a first receiving device 110 attached to the frame 102.
  • the second mounting device 108 is attachable to a second receiving device 112 attached to the frame 102
  • the machine 104 while shown as a bulldozer, may be any type of machine configured to travel across terrain, such as an automobile, a truck, an agricultural vehicle, and/or work vehicles, such as a wheel loader, a track loader, a skid-steer loader, a grader, an on-highway truck, an off-highway truck, and/or any other machine known to a person skilled in the art.
  • the machine 104 includes the frame, or chassis, 102 to which a prime mover 114 is attached.
  • the prime mover 114 may include an internal combustion engine (ICE), an electric motor, or other prime mover types.
  • ICE internal combustion engine
  • the prime mover 114 may be configured to supply power for operation of the machine 104, including, for example, operating work implements, hydraulics, electronics, and steering, and/or for supplying torque to drive members to propel the machine 104 across the terrain.
  • the machine 104 shown in FIG. 1 includes a pair of tracks 116 (only one set of tracks shown) that are configured to propel the machine 104 across pavement, gravel, dirt, or other work surfaces.
  • tracks 116 it is contemplated that the machine 104 may include one or more wheels instead of, or in addition to, the tracks.
  • the machine 104 also includes a cab 118 operationally connected to the frame 102 for protecting and/or providing comfort for an operator 120 of the machine 104, and/or for protecting control -related devices of the machine 104.
  • the machine 104 may be semi-autonomous or fully autonomous, and able to operate without an onboard or remote operator.
  • the machine 104 is prevented from, or avoids, accidentally colliding with or maneuvering undesirably close to other machines, personnel, and/or objects.
  • the machine 104 also illustrated to include a work implement 122 for performing operations associated with the machine 104, such as digging, carrying, raising, and/or depositing material.
  • a work implement 122 for performing operations associated with the machine 104, such as digging, carrying, raising, and/or depositing material.
  • the work implement 122 in FIG. 1 is illustrated as a shovel, other forms of work implements are contemplated.
  • the work implement 122 may include augers, brushcutters, brooms, grapples, hammers, pulverizers, rippers, rotors, and so forth, or may not include a work implement or associated equipment.
  • the machine 104 in this example includes a work implement actuator 124 coupled at one end to the frame 102 and/or to the proximal end of the work implement 122.
  • the work implement actuator 124 may be electric motors, hydraulic cylinders, or pneumatic cylinders.
  • the work implement actuator 124 is configured to extend and retract, thereby pivoting the work implement 122 between an upright orientation and an at least partially inverted orientation, for example. In the upright orientation, the work implement 122 may hold material and in the at least partially inverted orientation, the work implement 122 may deposit or dump the material. While the machine 104 is shown as operable by the operator 120 in this example, for remote and/or autonomous operations, some of operator related equipment on the machine, such as the cab 118, may not be necessary or provided.
  • the machine 104 may include a battery 126.
  • the battery 126 may be relatively small and may supplement the operation of the machine 104 to power various electrical equipment in the machine 104.
  • the battery 126 needs to be large to be able to provide all operational power for the machine 104 including powering the electric motor.
  • the battery 126 for the machine 104 may be housed in the energy storage module mounting structure 100.
  • the machine 104 may include an electronic control module (ECM) 128 that houses one or more processors 130, which may execute any modules, components, or systems associated with the machine 104, some of which may be housed in the ECM 128 as shown as modules 132.
  • ECM electronice control module
  • the processors 130 may include a central processing unit (CPU), a graphics processing unit (GPU), both CPU and GPU, or other processing units or components known in the art. Additionally, each of the processors 130 may possess its own local memory, which also may store program modules, program data, and/or one or more operating systems.
  • CPU central processing unit
  • GPU graphics processing unit
  • each of the processors 130 may possess its own local memory, which also may store program modules, program data, and/or one or more operating systems.
  • Computer-readable media such as memory 134, associated with the machine 104 may include volatile memory (e.g., RAM), non-volatile memory (e.g., ROM, flash memory, miniature hard drive, memory card, or the like), or some combination thereof.
  • volatile memory e.g., RAM
  • non-volatile memory e.g., ROM, flash memory, miniature hard drive, memory card, or the like
  • the computer-readable media may be non-transitory computer-readable media.
  • the computer-readable media may include or be associated with the one or more of the above-noted modules, which perform various operations associated with the machine 104.
  • one or more of the modules may include or be associated with computer-executable instructions that are stored by the computer-readable media and that are executable by one or more processors to perform such operations.
  • FIG. 2 illustrates an angled front-and-side view of the energy storage module mounting structure 100.
  • the machine 104 is understood as having an electric motor as the prime mover 114 including a hybrid configuration.
  • the energy storage module mounting structure 100 comprises a plurality of frame panels that forms a cradle for supporting an energy storage module.
  • the energy storage module may comprise an energy storage unit for storing and providing energy associated with operation of the machine 104.
  • the energy storage module may additionally include a control unit coupled to the energy storage unit for managing operation of the energy storage unit.
  • the energy storage unit may include one or more batteries, and the controller unit may be, or include, a DC-DC converter for the prime mover 114.
  • the plurality of frame panels may include a front panel 202, a first side panel 204, a second side panel 206, and a bottom panel 208.
  • One or more panels of the plurality of frame panels may have one or more cutouts for providing access to the energy storage module housed inside the energy storage module mounting structure 100 and reducing weight of the energy storage module mounting structure 100 while maintaining strength to support the energy storage module.
  • one of cutouts 210 of the first side panel 204, two cutouts 212 of the second side panel 206, and is visible, five cutouts 214 of the bottom panel 208 are visible.
  • the energy storage module mounting structure 100 may further comprise a vertical partition panel 216 disposed between the first side panel 204 and the second side panel 206.
  • the vertical partition panel 216 is disposed substantially parallel attached to the first side panel 204 and the second side panel 206, and is attached to the front panel 202 and the bottom panel 208.
  • the first mounting device 106 is attached to the upper portion of the front panel 202 and is attachable to the first receiving device 110 of the frame 102.
  • the first mounting device 106 may be a two-point fixed pin.
  • the second mounting device 108 attached to a lower portion of the front panel 202 and is attachable to the second receiving device 112 of the frame 102.
  • the second mounting device 108 may be a solid mount or a location isolation mount.
  • One or both of the first mounting device 106 and the second mounting device 108 may additionally, or alternatively, be an energy absorbing mount or device, such as a gas spring, an accumulator, a spring, or any other means of absorbing and dissipating energy.
  • energy from the movement of the energy storage module mounting structure 100 may be absorbed or dissipated by the first mounting device 106 and/or the second mounting device 108.
  • FIG. 3 illustrates an angled back-and-side view of the energy storage module mounting structure 100.
  • FIG. 4 illustrates a back view of the energy storage module mounting structure 100.
  • a compartment formed between the first side panel 204 and the vertical partition panel 216 is identified as a first compartment 402
  • a compartment formed between the second side panel 206 and the vertical partition panel 216 is identified as a second compartment 404.
  • the energy storage unit and the control unit of the energy storage module as discussed above may be housed in the first compartment 402 and the second compartment 404, respectively.
  • the control unit and the energy storage unit may be housed in the first compartment 402 and the second compartment 404, respectively.
  • the first compartment 402 and the second compartment 404 may also house the energy storage unit without the control unit.
  • a first back edge 406 of the first side panel 204, a second back edge 408 of the second side panel 206, and a partition back edge 410 of the vertical partition panel 216 are also identified.
  • the energy storage module mounting structure 100 combined with the energy storage module may be referred as an attachable energy storage module system.
  • the energy storage module mounting structure 100 may comprise a horizontal partition panel (not shown) disposed horizontally between the first side panel 204 and the second side panel 206.
  • the horizontal partition panel may be substantially parallel to the bottom panel 208 and may be attached to the front panel 202, the first side panel 204, and the second side panel 206.
  • a compartment formed above the horizontal partition panel may be identified as a first, or a top, compartment, and a compartment formed between the horizontal partition panel and the bottom panel 208 may be identified as a second, or a bottom, compartment.
  • the energy storage unit and the control unit may be housed in the first compartment 402 and the second compartment 404, respectively, or vice versa.
  • the first compartment 402 and the second compartment 404 may also house the energy storage unit without the control unit.
  • a first compartment may be identified as a top compartment above the bottom panel 208 and a second compartment may be identified as a bottom compartment below the bottom panel 208.
  • the energy storage unit and the control unit may be housed in the first compartment and the second compartment, respectively, or vice versa.
  • FIG. 5 illustrates an angled front-and-side view of the energy storage module mounting structure 100 with some protection panels.
  • protection covers may be attached to the exterior of the energy storage module mounting structure 100 for providing physical protection for the energy storage module.
  • a first side upper protection cover 502, a first side lower protection cover 504, a first top protection cover 506, a second top protection cover 508, and a back protection cover 510 are shown in this example.
  • One or more protection covers such as the top protection covers 506 and 508 for example, may be removably attached to one or more frame panels, 202, 204, 206, 208, and 216, of the energy storage module mounting structure 100 for allowing access to the energy storage module inside the energy storage module mounting structure 100 while the energy storage module mounting structure 100 is mounted to the frame 102.
  • first top protection cover 506 may be bolted on to the front panel 202, the first side panel 204, and the vertical partition panel 216;
  • second top protection covers 508 may be bolted on to the front panel 202, the second side panel 206, and the vertical partition panel 216;
  • the back protection cover 510 may be bolted on to the first back edge 406, the second back edge 408, and the partition back edge 410.
  • These covers, the first top protection covers 506 and the second top protection covers 508, may be unbolted and removed for providing access to the inside of the energy storage module mounting structure 100 for servicing the equipment located inside such as the energy storage module.
  • one or more protection covers such as the first side upper protection cover 502 and the first side lower protection cover 504 for example, may be welded, or fixedly secured, to one or more frame panels, such as the first side panel 204.
  • a bottom cover (not shown) may be removably attached to the bottom panel 208.
  • FIG. 6 illustrates another angled front-and-side view of the energy storage module mounting structure 100 with some protection panels. Similar to FIG. 5, a second side upper protection cover 602, a second side lower protection cover 604, the first top protection cover 506, and the second top protection cover 508 are shown in this example. As described above with reference to FIG. 5, the second side upper protection cover 602 and the second side lower protection cover 604 may be welded, or fixedly secured, to the second side panel 206.
  • FIG. 7 illustrates an angled front-and-side view of another energy storage module mounting structure 700.
  • the energy storage module mounting structure 700 comprises a plurality of frame panels that forms a cradle for supporting an energy storage module.
  • the energy storage module may comprise an energy storage unit for storing and providing energy associated with operation of the machine 104 and a control unit coupled to the energy storage unit for managing operation of the energy storage unit.
  • the energy storage unit may include one or more batteries, and the controller unit may include a DC-DC converter for the prime mover 114.
  • the plurality of frame panels may include a front panel 702, a first side panel 704, a second side panel 706, a bottom panel 708, and a back panel 710.
  • One or more panels of the plurality of frame panels may have one or more cutouts for providing access to the energy storage module housed inside the energy storage module mounting structure 700 and reducing weight of the energy storage module mounting structure 700 while maintaining strength to support the energy storage module.
  • Rails 712 and 714 are attached to the front panel 702 and the bottom panel 708 for additional support.
  • a first mounting device 716 is attached to an upper portion of the rails 712 and 714, and a second mounting device is attached to a lower portion of the rails 712 and 714.
  • the first mounting device 716 and the second mounting device 718 are attachable to the corresponding receiving devices attached to the frame 102.
  • the front panel 702 includes three cutouts 720
  • the first side panel 704 includes a cutout 722
  • the second side panel 706 includes a cutout 724
  • the bottom panel 708 include four cutouts 726.
  • FIG. 8 illustrates an angled top-front-and-side view of the energy storage module mounting structure 700 with some protection panels.
  • protection covers may be attached to the exterior of the energy storage module mounting structure 700 for providing physical protection for the energy storage module.
  • a first side protection cover 802 attached to the first side panel 704 a top protection cover 804 attached to top edges of the first side panel 704 and the second side panel 706, and a bottom protection cover 806 attached to the rails 712 and 714, are shown.
  • Some of these protection covers may be removably attached to the energy storage module mounting structure 700 for allowing access to the energy storage module inside the energy storage module mounting structure 700 while the energy storage module mounting structure 700 is mounted to the frame 102.
  • one or more protection covers may be welded, or fixedly secured, to one or more frame panels.
  • FIG. 9 illustrates an angled back view of the energy storage module mounting structure 700 shown with the top protection cover 804 and a back protection cover 902 attached to the back panel 710.
  • the example systems and devices of the present disclosure are applicable to a variety of machines, such as, for example, an automobile, marine vehicles, a truck, an agricultural vehicle, a paving machine, a mining machine, and/or construction vehicles.
  • the systems and devices described herein may be used in association with an electric motor as a prime mover for a large machine.
  • an energy storage module which includes an energy storage unit such as one or more batteries and a control unit for managing operation of the energy storage unit, is utilized to provide and/or store electrical energy for the electric motor.
  • the energy storage module is protectively placed in an energy storage module mounting structure, which is attached to a frame of the machine.
  • an energy storage module mounting structure includes a plurality of frame panels that forms a cradle for supporting the energy storage module.
  • the plurality of frame panels includes a front panel, a first side panel, a second side panel, and a bottom panel, wherein one or more panels of the plurality of frame panels have one or more cutouts for providing access to the energy storage module and reducing weight while maintaining strength to support the energy storage module.
  • a first mounting device is attached to an upper portion of the front panel and is attachable to one or more first receiving devices of a frame of a machine, and a second mounting device is attached to a lower portion of the front panel and is attachable to one or more second receiving devices of the frame.
  • the energy storage module mounting structure also includes one or more covers attachable to the cradle for providing physical protection for the energy storage module.
  • the use of the singular to describe a component, structure, or operation does not exclude the use of plural such components, structures, or operations or their equivalents.
  • the use of the terms “a” and “an” and “the” and “at least one” or the term “one or more,” and similar referents in the context of describing the invention are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context.
  • A, B, or C refers to at least one of A, B, C, or any combination thereof, such as any of: A; B; C; A and B; A and C; B and C; A, B, and C; or multiple of any item such as A and A; B, B, and C; A, A, B, C, and C; etc.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Une structure de montage de module de stockage d'énergie (100) comprend une pluralité de panneaux de cadre (202, 204, 206, 208) formant un socle pour supporter un module de stockage d'énergie, comprenant un panneau avant (202), un premier panneau latéral (204), un second panneau latéral (206), et un panneau inférieur (208). Un ou plusieurs des panneaux de cadre (202, 204, 206, 208) comprennent une ou plusieurs découpes (210, 212, 214) pour fournir un accès au module de stockage d'énergie et réduire le poids tout en maintenant la résistance pour supporter le module de stockage d'énergie. Un premier dispositif de montage (106), fixé à une partie supérieure du panneau avant (202), peut être fixé à un ou plusieurs premiers dispositifs de réception (110) d'un cadre (102) d'une machine (104), et un second dispositif de montage (108), fixé à une partie inférieure du panneau avant (202), peut être fixé à un ou plusieurs seconds dispositifs de réception (112) du cadre (102). La structure de montage de module de stockage d'énergie (100) comprend un ou plusieurs couvercles (502, 504, 506, 508, 510) pouvant être fixés au socle pour fournir une protection physique pour le module de stockage d'énergie.
PCT/US2023/077583 2022-11-11 2023-10-24 Structure de montage de module de stockage d'énergie WO2024102576A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202211064448 2022-11-11
IN202211064448 2022-11-11

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WO2024102576A1 true WO2024102576A1 (fr) 2024-05-16

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390754A (en) * 1992-01-16 1995-02-21 Honda Giken Kogyo Kabushiki Kaisha Battery box for an electric vehicle
US20090197166A1 (en) * 2008-01-31 2009-08-06 Naoyuki Horii Battery module case
US20120058368A1 (en) * 2010-09-03 2012-03-08 Takatoshi Yamamoto Electrical storage device
US20190081292A1 (en) * 2016-03-16 2019-03-14 Kabushi Kaisha Toshiba Battery pack
CN111883703A (zh) * 2020-07-09 2020-11-03 珠海市古鑫电子科技有限公司 移动储能装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390754A (en) * 1992-01-16 1995-02-21 Honda Giken Kogyo Kabushiki Kaisha Battery box for an electric vehicle
US20090197166A1 (en) * 2008-01-31 2009-08-06 Naoyuki Horii Battery module case
US20120058368A1 (en) * 2010-09-03 2012-03-08 Takatoshi Yamamoto Electrical storage device
US20190081292A1 (en) * 2016-03-16 2019-03-14 Kabushi Kaisha Toshiba Battery pack
CN111883703A (zh) * 2020-07-09 2020-11-03 珠海市古鑫电子科技有限公司 移动储能装置

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