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公开(公告)号：US20080241691A1
公开(公告)日：2008-10-02
申请号：US12057825
申请日：2008-03-28
申请人： Chihiro FUJISAWA , Atsuya FURUICHI , Kazuki SHIMOZONO , Kohei KARASUMI , Yasushiro KUDO , Makoto OCHI
发明人： Chihiro FUJISAWA , Atsuya FURUICHI , Kazuki SHIMOZONO , Kohei KARASUMI , Yasushiro KUDO , Makoto OCHI
CPC分类号： H01M4/26 , H01M4/246 , H01M4/801 , H01M10/28 , Y02E60/124 , Y02P70/54 , Y10T29/10 , Y10T428/1209
摘要： A sintered substrate is configured such that pores having a pore size (pore radius) of from 5 μm to 7 μm have a peak volume fraction with respect to the total pore volume of the sintered substrate, and pores having a pore radius of greater than 8.5 μm has a volume fraction of 11% or less with respect to the total pore volume of the sintered substrate. The sintered substrate has a smaller number of large-sized pores than conventional sintered substrates and a more uniform pore size distribution, and therefore shows a sufficient strength even when the porosity is increased. In addition, a cadmium negative electrode employing the sintered substrate shows excellent gas absorption capability and therefore can reduce the internal pressure of the battery during charge.
摘要翻译： 烧结基板被构造成使得具有5μm至7μm的孔径（孔半径）的孔相对于烧结基板的总孔体积具有峰体积分数，以及孔半径大于8.5的孔 相对于烧结基板的总细孔容积，体积分数为11％以下。 烧结基板具有比常规烧结基板更小数量的大孔，并且孔尺寸分布更均匀，因此即使当孔隙率增加时也显示出足够的强度。 此外，使用烧结基板的镉负极表现出优异的气体吸收能力，因此可以降低充电期间电池的内部压力。
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公开(公告)号：US07976986B2
公开(公告)日：2011-07-12
申请号：US12057825
申请日：2008-03-28
申请人： Chihiro Fujisawa , Atsuya Furuichi , Kazuki Shimozono , Kohei Karasumi , Yasushiro Kudo , Makoto Ochi
发明人： Chihiro Fujisawa , Atsuya Furuichi , Kazuki Shimozono , Kohei Karasumi , Yasushiro Kudo , Makoto Ochi
CPC分类号： H01M4/26 , H01M4/246 , H01M4/801 , H01M10/28 , Y02E60/124 , Y02P70/54 , Y10T29/10 , Y10T428/1209
摘要： A sintered substrate is configured such that pores having a pore size (pore radius) of from 5 μm to 7 μm have a peak volume fraction with respect to the total pore volume of the sintered substrate, and pores having a pore radius of greater than 8.5 μm has a volume fraction of 11% or less with respect to the total pore volume of the sintered substrate. The sintered substrate has a smaller number of large-sized pores than conventional sintered substrates and a more uniform pore size distribution, and therefore shows a sufficient strength even when the porosity is increased. In addition, a cadmium negative electrode employing the sintered substrate shows excellent gas absorption capability and therefore can reduce the internal pressure of the battery during charge.
摘要翻译： 烧结基板被构造为使得具有5μm至7μm的孔径（孔半径）的孔相对于烧结基板的总孔体积具有峰体积分数，并且具有大于8.5的孔半径的孔 μm相对于烧结基板的总孔体积的体积分数为11％以下。 烧结基板具有比常规烧结基板更小数量的大孔，并且孔尺寸分布更均匀，因此即使当孔隙率增加时也显示出足够的强度。 此外，使用烧结基板的镉负极表现出优异的气体吸收能力，因此可以降低充电期间电池的内部压力。
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