JP2006093093A5 - - Google Patents
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- JP2006093093A5 JP2006093093A5 JP2005173072A JP2005173072A JP2006093093A5 JP 2006093093 A5 JP2006093093 A5 JP 2006093093A5 JP 2005173072 A JP2005173072 A JP 2005173072A JP 2005173072 A JP2005173072 A JP 2005173072A JP 2006093093 A5 JP2006093093 A5 JP 2006093093A5
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- Prior art keywords
- hydrogen storage
- storage alloy
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- 239000000956 alloy Substances 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052803 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- 238000002441 X-ray diffraction Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
Description
この発明における水素吸蔵合金電極においては、上記のような課題を解決するため、少なくとも希土類元素とマグネシウムとニッケルとアルミニウムと２．０重量％以下のコバルトを含み、Ｃｕ−Ｋα線をＸ線源とするＸ線回折測定において２θ＝３１〜３３°の範囲に現れる最強ピーク強度ＩＡと、２θ＝４０〜４４°の範囲に現れる最強ピーク強度ＩＢとの強度比ＩＡ／ＩＢが０．１以上になった第１の水素吸蔵合金に、この第１の水素吸蔵合金よりもコバルトの含有量が多い第２の水素吸蔵合金を添加させるようにしたのである。
この発明においては、上記のようにアルカリ蓄電池の負極に用いる水素吸蔵合金電極に、少なくとも希土類元素とマグネシウムとニッケルとアルミニウムと２．０重量％以下のコバルトを含み、Ｃｕ−Ｋα線をＸ線源とするＸ線回折測定において２θ＝３１〜３３°
の範囲に現れる最強ピーク強度ＩＡと、２θ＝４０〜４４°の範囲に現れる最強ピーク強度ＩＢとの強度比ＩＡ／ＩＢが０．１以上になった第１の水素吸蔵合金を用いるようにしたため、この第１の水素吸蔵合金における水素吸蔵能力が高く、アルカリ蓄電池における容量が高められる。
の範囲に現れる最強ピーク強度ＩＡと、２θ＝４０〜４４°の範囲に現れる最強ピーク強度ＩＢとの強度比ＩＡ／ＩＢが０．１以上になった第１の水素吸蔵合金を用いるようにしたため、この第１の水素吸蔵合金における水素吸蔵能力が高く、アルカリ蓄電池における容量が高められる。
Claims (1)
- 少なくとも希土類元素とマグネシウムとニッケルとアルミニウムと２．０重量％以下のコバルトを含み、Ｃｕ−Ｋα線をＸ線源とするＸ線回折測定において２θ＝３１〜３３°の範囲に現れる最強ピーク強度ＩＡと、２θ＝４０〜４４°の範囲に現れる最強ピーク強度ＩＢとの強度比ＩＡ／ＩＢが０．１以上になった第１の水素吸蔵合金に、この第１の水素吸蔵合金よりもコバルトの含有量が多い第２の水素吸蔵合金が添加されていることを特徴とする水素吸蔵合金電極。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005173072A JP4958411B2 (ja) | 2004-08-25 | 2005-06-14 | 水素吸蔵合金電極及びアルカリ蓄電池 |
| US11/169,901 US7544442B2 (en) | 2004-08-25 | 2005-06-30 | Hydrogen-absorbing alloy electrode and alkaline storage battery |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004245655 | 2004-08-25 | ||
| JP2004245655 | 2004-08-25 | ||
| JP2005173072A JP4958411B2 (ja) | 2004-08-25 | 2005-06-14 | 水素吸蔵合金電極及びアルカリ蓄電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006093093A JP2006093093A (ja) | 2006-04-06 |
| JP2006093093A5 true JP2006093093A5 (ja) | 2008-07-10 |
| JP4958411B2 JP4958411B2 (ja) | 2012-06-20 |
Family
ID=35943659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005173072A Active JP4958411B2 (ja) | 2004-08-25 | 2005-06-14 | 水素吸蔵合金電極及びアルカリ蓄電池 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7544442B2 (ja) |
| JP (1) | JP4958411B2 (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8202650B2 (en) * | 2007-07-24 | 2012-06-19 | Panasonic Corporation | Negative electrode material for nickel-metal hydride battery and treatment method thereof, and nickel-metal hydride battery |
| JP5224581B2 (ja) * | 2008-01-07 | 2013-07-03 | 株式会社Ｇｓユアサ | ニッケル水素蓄電池 |
| JP5769028B2 (ja) * | 2012-02-10 | 2015-08-26 | 株式会社Ｇｓユアサ | ニッケル水素蓄電池 |
| US9324470B2 (en) | 2013-06-25 | 2016-04-26 | Ovonic Battery Company, Inc. | Disordered metal hydride alloys for use in a rechargeable battery |
| US10658660B2 (en) * | 2016-09-26 | 2020-05-19 | Primearth Ev Energy Co., Ltd. | Nickel-metal hydride battery |
| EP3961765B1 (en) * | 2020-08-31 | 2024-02-28 | FDK Corporation | Hydrogen absorbing alloy, negative electrode comprising same and nickel-metal hydride secondary battery comprising same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2692936B2 (ja) * | 1989-03-01 | 1997-12-17 | 三洋電機株式会社 | アルカリ蓄電池用水素吸蔵合金電極 |
| US5840440A (en) * | 1995-11-20 | 1998-11-24 | Ovonic Battery Company, Inc. | Hydrogen storage materials having a high density of non-conventional useable hydrogen storing sites |
| DE69839140T2 (de) * | 1997-06-17 | 2008-06-19 | Kabushiki Kaisha Toshiba, Kawasaki | Wasserstoffabsorbierende Legierung |
| JPH11323469A (ja) | 1997-06-17 | 1999-11-26 | Toshiba Corp | 水素吸蔵合金及び二次電池 |
| KR100276018B1 (ko) * | 1997-11-28 | 2000-12-15 | 니시무로 타이죠 | 니켈수소 이차전지 |
| JP2001291511A (ja) * | 2000-04-07 | 2001-10-19 | Toshiba Corp | 水素吸蔵合金電極、二次電池、ハイブリッドカー及び電気自動車 |
| JP4420767B2 (ja) * | 2003-10-16 | 2010-02-24 | 三洋電機株式会社 | ニッケル・水素蓄電池 |
-
2005
- 2005-06-14 JP JP2005173072A patent/JP4958411B2/ja active Active
- 2005-06-30 US US11/169,901 patent/US7544442B2/en active Active
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