JP2020161285A - 二次電池システム及び二次電池システムの使用方法 - Google Patents
二次電池システム及び二次電池システムの使用方法 Download PDFInfo
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Abstract
Description
− 二次電池11a,11bの電圧と容器内の圧力の監視。
− 二次電池11a,11bの充電のタイミング制御。
− 排気ポンプ22a,22bと水素量調整弁23a,23b,23cの動作のタイミング制御。
− 水素源10の水素製造装置50の運転制御
− 外部電源30a,30bの電流と電圧の制御。
これらの制御により、電池の充電特性を劣化させることなく、急速充電を繰り返すことができる。
放電が完了した二次電池11に,12Cの電流を流して急速充電を行った後、水素を供給しない状態で、1Cの定電流による放電試験を行った。その結果を、図6に示す。この比較例の方法を適用した二次電池11は、ほとんど放電を行うことができない。その理由は、水素製造装置50からの水素の供給がなかったことにより、負極13の水素吸蔵合金に水素が十分吸収されなかったためと考えられる。わずかに放電するのは、充電工程のとき負極13側で短時間発生した水素の一部が、水素吸蔵合金に吸収されていたことによると考えられる。
10 水素源
11,11a,11b 二次電池
12 正極
13 負極
14 セパレータ
15 容器
16 電解液
17,18 集電板
21 水素流路
21a,21b 分岐路
22,22a,22b 排気ポンプ
23,23a,23b,23c 水素量調整弁
30,30a,30b 外部電源
31 制御手段
50 水素製造装置
Claims (7)
- 水素源と、一又は複数の二次電池とを備えている二次電池システムであって、
前記水素源が、水素製造装置を備えており、
前記二次電池が、
正極と、
負極と、
電解液を含み、前記正極と前記負極とを隔てているセパレータと、
前記正極と前記負極と前記セパレータとを収容している容器と、を備えており、
さらに、前記二次電池と前記水素源とを接続して前記二次電池に水素を導入し、かつ余剰となった水素を排出する水素流路を備えていることを特徴とする二次電池システム。 - 前記負極が水素吸蔵合金であることを特徴とする請求項1記載の二次電池システム。
- 前記正極が水酸化ニッケルであることを特徴とする請求項1記載の二次電池システム。
- 前記水素製造装置が、
アンモニア貯蔵容器と、
アンモニアを分解してプラズマとするための、アンモニア供給口および水素出口を備えたプラズマ反応容器と、
プラズマ発生用電源と、
当該プラズマ反応容器の水素出口側を区画する水素分離膜と、
を備えており、
前記水素分離膜が、前記プラズマ反応容器内でプラズマとなっているアンモニアから水素を分離して、前記水素出口側に通過させることを特徴とする請求項1に記載の二次電池システム。 - 前記容器の水素流路が、前記水素流路から水素を導入し、余剰となった水素を排出する水素量調整弁を備えていることを特徴とする請求項1に記載の二次電池システム。
- 請求項1に記載の二次電池システムの使用方法であって、
水素源から前記容器に水素を供給する工程と、
外部負荷に給電する放電工程と、
外部電源から所定の電流を供給する充電工程と、
前記充電工程の副生成物である水素を前記水素流路に排出する工程と、
を備えていることを特徴とする二次電池の使用方法。 - 第一の二次電池と第二の二次電池を備えている、請求項1記載の二次電池システムの使用方法であって、
第一の二次電池に、前記水素源から水素を供給する工程と、
前記第一の二次電池の放電工程と、
前記第一の二次電池の充電工程と、
前記第一の二次電池における前記充電工程の副生成物である水素を、前記水素流路を経由して第二の二次電池に供給する工程と、を備えていることを特徴とする、二次電池システムの使用方法。
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JP2019058299A JP7325748B2 (ja) | 2019-03-26 | 2019-03-26 | 二次電池システム及び二次電池システムの使用方法 |
PCT/JP2020/003135 WO2020195126A1 (ja) | 2019-03-26 | 2020-01-29 | 二次電池システム及び二次電池システムの使用方法 |
CN202080023326.XA CN113614023A (zh) | 2019-03-26 | 2020-01-29 | 二次电池系统以及二次电池系统的使用方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0589904A (ja) * | 1991-09-26 | 1993-04-09 | Mitsui Eng & Shipbuild Co Ltd | ニツケル−水素電池 |
JP2003178738A (ja) * | 2001-12-11 | 2003-06-27 | Honda Motor Co Ltd | ニッケル水素電池用水素ガス処理装置及びニッケル水素電池の水素ガス処理方法 |
JP2014070012A (ja) * | 2012-10-02 | 2014-04-21 | Gifu Univ | 水素生成装置及び水素生成装置を備えた燃料電池システム |
JP2017027847A (ja) * | 2015-07-24 | 2017-02-02 | 三菱電機株式会社 | 電力貯蔵デバイス |
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JP4867214B2 (ja) * | 2005-06-22 | 2012-02-01 | トヨタ自動車株式会社 | 燃料電池システム |
CN100459271C (zh) * | 2005-12-06 | 2009-02-04 | 比亚迪股份有限公司 | 一种碱性二次电池的制备方法 |
CN100532249C (zh) * | 2006-06-14 | 2009-08-26 | 大连理工大学 | 一种氨分解制氢的等离子体催化方法 |
CN101617430A (zh) * | 2007-03-16 | 2009-12-30 | 日立麦克赛尔株式会社 | 燃料电池发电系统 |
JP5733859B2 (ja) * | 2011-07-28 | 2015-06-10 | Fdk株式会社 | ニッケル水素二次電池 |
CN104067437B (zh) * | 2012-02-06 | 2015-06-17 | 日本碍子株式会社 | 锌二次电池 |
PT2833469T (pt) * | 2012-03-30 | 2018-07-17 | Univ Tokyo | Célula de combustível e sistema de célula de combustível reversível |
JP2018026209A (ja) * | 2016-08-08 | 2018-02-15 | トヨタ自動車株式会社 | ニッケル水素電池の充電方法および充電システム |
CN106276790B (zh) * | 2016-11-02 | 2018-08-21 | 北京明德清源科技开发有限公司 | 常压制氢反应装置及氢燃料电池供电系统 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0589904A (ja) * | 1991-09-26 | 1993-04-09 | Mitsui Eng & Shipbuild Co Ltd | ニツケル−水素電池 |
JP2003178738A (ja) * | 2001-12-11 | 2003-06-27 | Honda Motor Co Ltd | ニッケル水素電池用水素ガス処理装置及びニッケル水素電池の水素ガス処理方法 |
JP2014070012A (ja) * | 2012-10-02 | 2014-04-21 | Gifu Univ | 水素生成装置及び水素生成装置を備えた燃料電池システム |
JP2017027847A (ja) * | 2015-07-24 | 2017-02-02 | 三菱電機株式会社 | 電力貯蔵デバイス |
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