CN1241824A - Preparation of negative pole graphite powder for secondary lithium battery - Google Patents
Preparation of negative pole graphite powder for secondary lithium battery Download PDFInfo
- Publication number
- CN1241824A CN1241824A CN99111156A CN99111156A CN1241824A CN 1241824 A CN1241824 A CN 1241824A CN 99111156 A CN99111156 A CN 99111156A CN 99111156 A CN99111156 A CN 99111156A CN 1241824 A CN1241824 A CN 1241824A
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- China
- Prior art keywords
- graphite powder
- preparation
- negative pole
- lithium battery
- battery
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- 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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- Carbon And Carbon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Graphite powder | ????G0 | ????G1 | ????G2 | ??MCMB28 |
Charging capacity (mAh/g) for the first time | ????517 | ????491 | ????442 | ????358 |
Discharge capacity (mAh/g) for the first time | ????298 | ????293 | ????368 | ????254 |
First charge-discharge efficiency (%) | ????58 | ????60 | ????83 | ????71 |
Charging capacity (mAh/g) for the second time | ????300 | ????322 | ????371 | ????264 |
Discharge capacity (mAh/g) for the second time | ????279 | ????291 | ????358 | ????240 |
Efficiency for charge-discharge (%) for the second time | ????93 | ????90 | ????96 | ????91 |
Charging capacity (mAh/g) for the third time | ????279 | ????303 | ????361 | ????249 |
Discharge capacity (mAh/g) for the third time | ????268 | ????282 | ????355 | ????240 |
Efficiency for charge-discharge (%) for the third time | ????96 | ????93 | ????98 | ????96 |
The 4th charging capacity (mAh/g) | ????254 | ????287 | ????369 | ????244 |
The 4th discharge capacity (mAh/g) | ????246 | ????276 | ????339 | ????236 |
The 4th efficiency for charge-discharge (%) | ????97 | ????96 | ????92 | ????96 |
The 5th charging capacity (mAh/g) | ????247 | ????287 | ????341 | ????237 |
The 5th discharge capacity (mAh/g) | ????236 | ????281 | ????337 | ????233 |
The 5th efficiency for charge-discharge (%) | ????96 | ????98 | ????99 | ????98 |
Average discharge capacity (mAh/g) | ????265 | ????285 | ????352 | ????241 |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99111156A CN1241824A (en) | 1999-07-28 | 1999-07-28 | Preparation of negative pole graphite powder for secondary lithium battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99111156A CN1241824A (en) | 1999-07-28 | 1999-07-28 | Preparation of negative pole graphite powder for secondary lithium battery |
Publications (1)
Publication Number | Publication Date |
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CN1241824A true CN1241824A (en) | 2000-01-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN99111156A Pending CN1241824A (en) | 1999-07-28 | 1999-07-28 | Preparation of negative pole graphite powder for secondary lithium battery |
Country Status (1)
Country | Link |
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CN (1) | CN1241824A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1326266C (en) * | 2003-12-26 | 2007-07-11 | 比亚迪股份有限公司 | A negative electrode graphite material for lithium-ion secondary battery and preparation method thereof |
CN109509873A (en) * | 2017-09-14 | 2019-03-22 | 丰田自动车株式会社 | The cathode graphite material and its manufacturing method of lithium ion secondary battery |
-
1999
- 1999-07-28 CN CN99111156A patent/CN1241824A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1326266C (en) * | 2003-12-26 | 2007-07-11 | 比亚迪股份有限公司 | A negative electrode graphite material for lithium-ion secondary battery and preparation method thereof |
CN109509873A (en) * | 2017-09-14 | 2019-03-22 | 丰田自动车株式会社 | The cathode graphite material and its manufacturing method of lithium ion secondary battery |
CN109509873B (en) * | 2017-09-14 | 2022-03-11 | 丰田自动车株式会社 | Graphite material for negative electrode of lithium ion secondary battery and method for producing same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: BODA BATTERY CO., LTD. Free format text: FORMER OWNER: DALU TAIJI BATTERY CO., LTD., BEIJING Effective date: 20021204 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20021204 Address after: 100081, 30 Whitehead Road, Beijing, Haidian District Applicant after: Boda Battery Co Ltd Address before: 100081, 30 Whitehead Road, Beijing, Haidian District Applicant before: Dalu Taiji Battery Co., Ltd., Beijing |
|
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Yang Dongping Document name: Second notice of examination advice |
|
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Boda Battery Co Ltd Document name: Deemed as a notice of withdrawal |
|
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |