CN1041245A - The manganese dioxide accumulator of all solid lithium spinel structure - Google Patents

The manganese dioxide accumulator of all solid lithium spinel structure Download PDF

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Publication number
CN1041245A
CN1041245A CN89107578A CN89107578A CN1041245A CN 1041245 A CN1041245 A CN 1041245A CN 89107578 A CN89107578 A CN 89107578A CN 89107578 A CN89107578 A CN 89107578A CN 1041245 A CN1041245 A CN 1041245A
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China
Prior art keywords
spinel structure
adopts
manganese dioxide
negative electrode
storage battery
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Pending
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CN89107578A
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Chinese (zh)
Inventor
吴浩青
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Fudan University
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Fudan University
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Priority to CN89107578A priority Critical patent/CN1041245A/en
Publication of CN1041245A publication Critical patent/CN1041245A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562—Solid materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention belongs to electrochemical field.A kind of full solid-state accumulator, anode adopts lithium material, and negative electrode adopts the manganese bioxide material with spinel structure, and electrolyte adopts organolithium montmorillonite etc.This storage battery can the degree of depth repeatedly discharge and recharge, and has good electrical properties, and in light weight, and volume is little, and is easy to use.

Description

The manganese dioxide accumulator of all solid lithium spinel structure
The invention belongs to electrochemical field, is a kind of storage battery.
Common storage battery has lead acid accumulator and nickel-cadmium cell at present.The former weight is big, specific energy is little; Latter's electrical property is better, but is not all solid state, and liquid electrolyte flows out easily during use.Cause certain limitation to use.
The purpose of this invention is to provide a kind of good electrical property, lightweight full solid-state accumulator.
The present invention includes anode, negative electrode, electrolyte, shell several sections.Fig. 1 is its structural representation.Wherein anode 1 adopts lithium (Li) material, and negative electrode 2 adopts the manganese dioxide (Li (Mn with spinel structure 2) O 4) material; Electrolyte 3 adopts organolithium montmorillonite or poly-oxireme lithium perchlorate (PEO 8LiClO 4), or other ionic conduction thing.Above-mentioned anode 1 is pressed in the nickel current collection by lithium and constitutes on the net; Above-mentioned negative electrode 2 is by Li (Mn 2) O 4Mix to be pressed in the nickel current collection and to constitute on the net with acetylene black, polytetrafluoroethylene, the ratio of its mixing and technology and conventional storage battery negative electrode are made roughly the same; Above-mentioned electrolyte 3 is solid-state, thereby double as barrier film again, has saved diaphragm material required when adopting liquid electrolyte.With above-mentioned anode 1, negative electrode 2, solid electrolyte 3 routinely the technology sealing-in in shell 4, promptly get the manganese dioxide accumulator of all solid lithium spinel structure.
Manganese dioxide (the Li(Mn of cathode material-spinel structure of the present invention 2) O 4) be the embedding compound (be called for short block polymer (Intercalation Compound)) of lithium in manganese dioxide, be a kind of good energy-accumulating material, its X-ray diffraction diagram is composed as shown in Figure 3, and its characteristic peak is listed as follows:
The mechanism of this accumulator cell charging and discharging is as follows: discharge, the lattice of the manganese dioxide of lithium " embedding " spinel structure; Charging, lithium " takes off embedding " and comes out from lattice, and " embedding " and " taking off embedding " reciprocation cycle reach the energy storage purpose in this way.This storage battery can the degree of depth repeatedly charge and discharge, (it charges and discharge number of times and can compare with nickel-cadmium cell) and cathode material structure does not change.So this storage battery has good electrical properties, and in light weight, volume is little, and is easy to use, and electrolyte can not outflow.
Embodiment by structure shown in Figure 1, makes storage battery with common process, and its open circuit voltage is 3.4 volts, and with 500 μ A/cm discharge, operating voltage is 2.7 volts, but the degree of depth repeatedly charges and discharge.Fig. 2 is the charging and discharging curve figure of its tenth time circulation, and wherein curve a is the 0.5mA/cm discharge curve, and b is the 0.25mA/cm charging curve;
Fig. 1 is the structural representation of this storage battery.
Fig. 2 is the curve chart that charges and discharge of the tenth circulation of this storage battery.
Fig. 3 is this battery cathode material Li (Mn 2) O 4X-ray diffraction diagram spectrum.

Claims (2)

1, a kind of storage battery comprises anode, negative electrode, electrolyte and shell, constitutes with the conventional method encapsulation, and anode adopts lithium material, it is characterized in that negative electrode adopts the manganese bioxide material with spinel structure, and electrolyte adopts the organolithium montmorillonite.
2, according to the said storage battery of claim 1, the manganese dioxide that it is characterized in that having spinel structure be pressed in the nickel current collection after acetylene black, polytetrafluoroethylene mix and constitute negative electrode on the net.
CN89107578A 1989-09-23 1989-09-23 The manganese dioxide accumulator of all solid lithium spinel structure Pending CN1041245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN89107578A CN1041245A (en) 1989-09-23 1989-09-23 The manganese dioxide accumulator of all solid lithium spinel structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN89107578A CN1041245A (en) 1989-09-23 1989-09-23 The manganese dioxide accumulator of all solid lithium spinel structure

Publications (1)

Publication Number Publication Date
CN1041245A true CN1041245A (en) 1990-04-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN89107578A Pending CN1041245A (en) 1989-09-23 1989-09-23 The manganese dioxide accumulator of all solid lithium spinel structure

Country Status (1)

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CN (1) CN1041245A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110085917A (en) * 2019-04-28 2019-08-02 天津瑞晟晖能科技有限公司 All-solid lithium-ion battery and preparation method thereof and electrical equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110085917A (en) * 2019-04-28 2019-08-02 天津瑞晟晖能科技有限公司 All-solid lithium-ion battery and preparation method thereof and electrical equipment

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