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镍氢电池用超低温储氢合金

成果领域: 节能与新能源

推广方式: 技术许可,技术合作,其他

成果归属企业: 吉林大学材料科学与工程学院杨春成教授科研团队

成果鉴定时间:

成果介绍

2021年，设计开发了超低温无钴储氢合金，其在电流密度为3000 mA/g时的放电容量为283.5 mAh/g，约为商用合金(放电容量仅为65.9 mAh/g)的4.3倍，这也是AB5型储氢合金目前为止报道的3000 mA/g电流密度下最大的放电容量。此外，该合金在超低温环境下也表现出优异的电化学性能，在233 K时的放电容量约为255.8 mAh/g，远高于商用合金的9.5 mAh/g；容量保留率约为75.1%(商用合金仅为3.0%)。该合金在超低温228 K时仍可放电。因此，该无钴储氢合金在高功率和超低温镍氢电池领域具有广阔的应用前景。

成果应用案例介绍

联系方式

电话/微信: 13822630888

相关成果

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[ CACHE ] INIT File
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