JP2019114439A - ニッケル水素電池の製造方法およびニッケル水素電池 - Google Patents
ニッケル水素電池の製造方法およびニッケル水素電池 Download PDFInfo
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- H01M10/288—Processes for forming or storing electrodes in the battery container
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- H01M10/30—Nickel accumulators
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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
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Abstract
Description
ニッケル水素電池は、使用により容量が徐々に劣化し得る。容量劣化の要因の1つは、負極の水素吸蔵合金から水素が排出されてしまい、負極容量が劣化することにあると考えられる。上述した特許文献1に開示された技術では、ニッケル水素電池に対して過充電を行なって負極に水素を充填することによって、負極容量を回復させている。
Claims (5)
- 正極に水酸化ニッケルを含む第1ニッケル水素電池を準備する第1工程と、
前記第1ニッケル水素電池を充電することによって、前記第1ニッケル水素電池の前記正極における前記水酸化ニッケルの少なくとも一部をニッケル酸化物に変化させて第2ニッケル水素電池を製造する第2工程とを含み、
前記ニッケル酸化物におけるニッケルの価数は3価よりも大きい値である、ニッケル水素電池の製造方法。 - 前記第2工程で前記第1ニッケル水素電池に供給される電力量は、前記第1ニッケル水素電池の定格容量の600パーセント以上である、請求項1に記載のニッケル水素電池の製造方法。
- 前記第1ニッケル水素電池の前記正極には、前記水酸化ニッケルに加えて、劣化によって失活した酸化ニッケルがさらに含まれる、請求項1に記載のニッケル水素電池の製造方法。
- 正極に水酸化ニッケルを含む第1ニッケル水素電池を準備する第1工程と、
前記第1ニッケル水素電池の定格容量の600パーセント以上の電力量を前記第1ニッケル水素電池に供給することによって第2ニッケル水素電池を製造する第2工程とを含む、ニッケル水素電池の製造方法。 - 正極を含むニッケル水素電池であって、
前記正極は、水酸化ニッケルと、ニッケル酸化物とを含み、
前記ニッケル酸化物におけるニッケルの価数は3価よりも大きい値である、ニッケル水素電池。
Priority Applications (3)
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JP2017247501A JP2019114439A (ja) | 2017-12-25 | 2017-12-25 | ニッケル水素電池の製造方法およびニッケル水素電池 |
US16/229,561 US11139461B2 (en) | 2017-12-25 | 2018-12-21 | Method for manufacturing nickel-metal hydride battery and nickel-metal hydride battery |
CN201811580686.0A CN109962307A (zh) | 2017-12-25 | 2018-12-24 | 镍氢电池的制造方法和镍氢电池 |
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JP2017247501A JP2019114439A (ja) | 2017-12-25 | 2017-12-25 | ニッケル水素電池の製造方法およびニッケル水素電池 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111477846A (zh) * | 2020-03-27 | 2020-07-31 | 深圳市量能科技有限公司 | 一种高倍率镍氢电池正极及其制作方法 |
WO2020255447A1 (ja) | 2019-06-20 | 2020-12-24 | 株式会社ピコサーム | 熱物性値測定装置及び熱物性値測定方法 |
JP2022175686A (ja) * | 2021-05-14 | 2022-11-25 | プライムアースEvエナジー株式会社 | アルカリ二次電池の容量回復方法 |
Families Citing this family (1)
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JP7201632B2 (ja) * | 2020-03-03 | 2023-01-10 | トヨタ自動車株式会社 | 電池システム及びその制御方法 |
Citations (4)
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JPH0850919A (ja) * | 1994-08-09 | 1996-02-20 | Japan Storage Battery Co Ltd | ニッケル・金属水素化物電池の製造方法 |
JPH10334913A (ja) * | 1997-05-30 | 1998-12-18 | Matsushita Electric Ind Co Ltd | アルカリ蓄電池およびその製造法 |
US6020088A (en) * | 1997-11-18 | 2000-02-01 | Moltech Power Systems, Inc. | Gamma niooh nickel electrodes |
JP2004273138A (ja) * | 2003-03-05 | 2004-09-30 | Canon Inc | 二次電池及び二次電池の製造方法 |
Family Cites Families (4)
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JP3680517B2 (ja) * | 1997-09-25 | 2005-08-10 | トヨタ自動車株式会社 | ニッケル−水素電池の再生処理方法 |
JP5572731B1 (ja) * | 2013-03-22 | 2014-08-13 | プライムアースEvエナジー株式会社 | ニッケル水素蓄電池の調整方法 |
JP5972209B2 (ja) | 2013-04-12 | 2016-08-17 | プライムアースEvエナジー株式会社 | 負極放電容量回復方法、及び、負極放電容量回復装置 |
WO2015087519A1 (ja) * | 2013-12-10 | 2015-06-18 | パナソニックIpマネジメント株式会社 | アルカリ蓄電池用正極およびアルカリ蓄電池 |
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- 2018-12-21 US US16/229,561 patent/US11139461B2/en active Active
- 2018-12-24 CN CN201811580686.0A patent/CN109962307A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0850919A (ja) * | 1994-08-09 | 1996-02-20 | Japan Storage Battery Co Ltd | ニッケル・金属水素化物電池の製造方法 |
JPH10334913A (ja) * | 1997-05-30 | 1998-12-18 | Matsushita Electric Ind Co Ltd | アルカリ蓄電池およびその製造法 |
US6020088A (en) * | 1997-11-18 | 2000-02-01 | Moltech Power Systems, Inc. | Gamma niooh nickel electrodes |
JP2004273138A (ja) * | 2003-03-05 | 2004-09-30 | Canon Inc | 二次電池及び二次電池の製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020255447A1 (ja) | 2019-06-20 | 2020-12-24 | 株式会社ピコサーム | 熱物性値測定装置及び熱物性値測定方法 |
CN111477846A (zh) * | 2020-03-27 | 2020-07-31 | 深圳市量能科技有限公司 | 一种高倍率镍氢电池正极及其制作方法 |
JP2022175686A (ja) * | 2021-05-14 | 2022-11-25 | プライムアースEvエナジー株式会社 | アルカリ二次電池の容量回復方法 |
JP7364618B2 (ja) | 2021-05-14 | 2023-10-18 | プライムアースEvエナジー株式会社 | アルカリ二次電池の容量回復方法 |
EP4300626A1 (en) | 2021-05-14 | 2024-01-03 | Primearth EV Energy Co., Ltd. | Method for recovering capacity of alkaline rechargeable battery |
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US20190198855A1 (en) | 2019-06-27 |
CN109962307A (zh) | 2019-07-02 |
US11139461B2 (en) | 2021-10-05 |
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