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公开(公告)号：US20100273054A1
公开(公告)日：2010-10-28
申请号：US12767419
申请日：2010-04-26
Applicant: Frederic COTTON , Patrick LEBLANC , Thierry GUENA , Alain VALLEE , Jean-Luc MONFORT
Inventor： Frederic COTTON , Patrick LEBLANC , Thierry GUENA , Alain VALLEE , Jean-Luc MONFORT
CPC classification number: H01M10/056 , H01M4/131 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/621 , H01M10/0565
Abstract: An electrode and an electrode material for lithium electrochemical cells are disclosed. The electrode material is in powder form and has a particle size distribution wherein the measured particle size distribution of the electrode material has a median size D50 ranging from 1.5 μm and 3 μm, a D10≧0.5 μm, a D90≦10.0 μm, and a calculated ratio (D90/D10)/D50≧3.0 which is indicative of a peak of the measured particle size distribution on the left of the median D50 which improves the loading and energy density of the electrode produced with this electrode material powder.
Abstract translation: 公开了用于锂电化学电池的电极和电极材料。 电极材料为粉末形式，并且具有粒度分布，其中测量的电极材料的粒度分布的中值尺寸D50范围为1.5μm和3μm，D10≥0.5μm，D90＆nlE;10.0μm，和 计算比（D90 / D10）/D50≥3.0，其表示中值D50左侧的测量粒度分布的峰值，其改善了由该电极材料粉末制备的电极的负载和能量密度。
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2.发明申请公开(公告)号：US20090226636A1
公开(公告)日：2009-09-10
申请号：US12399648
申请日：2009-03-06
Applicant: Patrick LEBLANC , Frederic COTTON , Dave LESSARD , Alain VALLEE
Inventor： Patrick LEBLANC , Frederic COTTON , Dave LESSARD , Alain VALLEE
CPC classification number: H01M4/139 , H01M4/0404
Abstract: A process for making an electrode sheet for lithium electrochemical cells is disclosed. The process comprises the steps of: a) admixing a polyether polymer or copolymer soluble in water, at least one lithium salt, at least one electrochemically active material, water and an organic solvent miscible with water in a water/organic solvent ratio of a maximum of 50% organic solvent by volume to form a water-based solution/suspension containing by weight at least 20% active electrode material, at least 5% of a polyether polymer or copolymer, and at least 1.5% lithium salt; b) coating the water-based solution/suspension in the form of an electrode thin film onto an electrode support; and, c) drying the electrode thin film to obtain an electrode thin sheet having less than 1000 ppm of residual water.
Abstract translation: 公开了一种制造锂电池的电极片的方法。 该方法包括以下步骤：a）将可溶于水的聚醚聚合物或共聚物，至少一种锂盐，至少一种电化学活性材料，水和与水混合的有机溶剂与水/有机溶剂的最大比例混合， 的50％有机溶剂，以形成含有至少20％活性电极材料，至少5％的聚醚聚合物或共聚物和至少1.5％的锂盐的水基溶液/悬浮液; b）将电极薄膜形式的水性溶液/悬浮液涂布到电极载体上; c）干燥电极薄膜，得到残留水小于1000ppm的电极薄片。
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Patent Agency Ranking
3.发明申请公开(公告)号：US20090226635A1
公开(公告)日：2009-09-10
申请号：US12044612
申请日：2008-03-07
Applicant: Patrick LEBLANC , Frederic COTTON , Dave LESSARD , Alain VALLEE
Inventor： Patrick LEBLANC , Frederic COTTON , Dave LESSARD , Alain VALLEE
CPC classification number: H01M4/0404 , H01M4/0416 , H01M4/139 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/622
Abstract: A process for making an electrode sheet for a solid lithium electrochemical cells is disclosed. The process comprises the steps of: a) admixing a polyether polymer or copolymer, at least one lithium salt, at least one electrochemically active material and purified water to form an aqueous solution/suspension containing by weight at least 40% purified water, at least 20% active electrode material, up to 10% electrically conductive material, at least 5% polyether polymer or copolymer, and at least 1.5% lithium salt; b) coating the aqueous solution/suspension in the form of an electrode thin film onto an electrode support; and, c) evaporating the water from the electrode thin film to obtain an electrode sheet having less than 1000 ppm of residual water. The evaporation step is preferably carried out through a dryer/oven tunnel having incremental drying zones.
Abstract translation: 公开了制备固体锂电池的电极片的方法。 该方法包括以下步骤：a）将聚醚聚合物或共聚物，至少一种锂盐，至少一种电化学活性材料和纯化水混合，形成至少含有至少40％净化水的水溶液/悬浮液，至少 20％的活性电极材料，高达10％的导电材料，至少5％的聚醚聚合物或共聚物，和至少1.5％的锂盐; b）将电极薄膜形式的水溶液/悬浮液涂覆到电极载体上; 并且c）从电极薄膜蒸发水以获得具有小于1000ppm残留水的电极片。 蒸发步骤优选通过具有增量干燥区的干燥器/烘箱通道进行。
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公开(公告)号：US08420158B2
公开(公告)日：2013-04-16
申请号：US12399648
申请日：2009-03-06
Applicant: Patrick Leblanc , Frederic Cotton , Dave Lessard , Alain Vallee
Inventor： Patrick Leblanc , Frederic Cotton , Dave Lessard , Alain Vallee
IPC: B05D5/12
CPC classification number: H01M4/139 , H01M4/0404
Abstract: A process for making an electrode sheet for lithium electrochemical cells is disclosed. The process comprises the steps of: a) admixing a polyether polymer or copolymer soluble in water, at least one lithium salt, at least one electrochemically active material, water and an organic solvent miscible with water in a water/organic solvent ratio of a maximum of 50% organic solvent by volume to form a water-based solution/suspension containing by weight at least 20% active electrode material, at least 5% of a polyether polymer or copolymer, and at least 1.5% lithium salt; b) coating the water-based solution/suspension in the form of an electrode thin film onto an electrode support; and, c) drying the electrode thin film to obtain an electrode thin sheet having less than 1000 ppm of residual water.
Abstract translation: 公开了一种制造锂电池的电极片的方法。 该方法包括以下步骤：a）将可溶于水的聚醚聚合物或共聚物，至少一种锂盐，至少一种电化学活性材料，水和与水混合的有机溶剂与水/有机溶剂的最大比例混合， 的50％有机溶剂，以形成含有至少20％活性电极材料，至少5％的聚醚聚合物或共聚物和至少1.5％的锂盐的水基溶液/悬浮液; b）将电极薄膜形式的水性溶液/悬浮液涂布到电极载体上; c）干燥电极薄膜，得到残留水小于1000ppm的电极薄片。
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公开(公告)号：US08354190B2
公开(公告)日：2013-01-15
申请号：US12767419
申请日：2010-04-26
Applicant: Frederic Cotton , Patrick LeBlanc , Thierry Guena , Alain Vallee , Jean-Luc Monfort
Inventor： Frederic Cotton , Patrick LeBlanc , Thierry Guena , Alain Vallee , Jean-Luc Monfort
CPC classification number: H01M10/056 , H01M4/131 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/621 , H01M10/0565
Abstract: An electrode and an electrode material for lithium electrochemical cells are disclosed. The electrode material is in powder form and has a particle size distribution wherein the measured particle size distribution of the electrode material has a median size D50 ranging from 1.5 μm and 3 μm, a D10≧0.5 μm, a D90≦10.0 μm, and a calculated ratio (D90/D10)/D50≧3.0 which is indicative of a peak of the measured particle size distribution on the left of the median D50 which improves the loading and energy density of the electrode produced with this electrode material powder.
Abstract translation: 公开了用于锂电化学电池的电极和电极材料。 电极材料为粉末形式，并且具有粒度分布，其中测量的电极材料的粒度分布的中值尺寸D50范围为1.5μm和3μm，D10≥0.5μm，D90＆nlE;10.0μm，和 计算比（D90 / D10）/D50≥3.0，其表示中值D50左侧的测量粒度分布的峰值，其改善了由该电极材料粉末制备的电极的负载和能量密度。
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公开(公告)号：US08147916B2
公开(公告)日：2012-04-03
申请号：US12044612
申请日：2008-03-07
Applicant: Patrick Leblanc , Frederic Cotton , Dave Lessard , Alain Vallee
Inventor： Patrick Leblanc , Frederic Cotton , Dave Lessard , Alain Vallee
IPC: B05D3/02
CPC classification number: H01M4/0404 , H01M4/0416 , H01M4/139 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/622
Abstract: A process for making an electrode sheet for a solid lithium electrochemical cells is disclosed. The process comprises the steps of: a) admixing a polyether polymer or copolymer, at least one lithium salt, at least one electrochemically active material and purified water to form an aqueous solution/suspension containing by weight at least 40% purified water, at least 20% active electrode material, up to 10% electrically conductive material, at least 5% polyether polymer or copolymer, and at least 1.5% lithium salt; b) coating the aqueous solution/suspension in the form of an electrode thin film onto an electrode support; and, c) evaporating the water from the electrode thin film to obtain an electrode sheet having less than 1000 ppm of residual water. The evaporation step is preferably carried out through a dryer/oven tunnel having incremental drying zones.
Abstract translation: 公开了制备固体锂电池的电极片的方法。 该方法包括以下步骤：a）将聚醚聚合物或共聚物，至少一种锂盐，至少一种电化学活性材料和纯化水混合，形成至少含有至少40％净化水的水溶液/悬浮液，至少 20％的活性电极材料，高达10％的导电材料，至少5％的聚醚聚合物或共聚物，和至少1.5％的锂盐; b）将电极薄膜形式的水溶液/悬浮液涂覆到电极载体上; 并且c）从电极薄膜蒸发水以获得具有小于1000ppm残留水的电极片。 蒸发步骤优选通过具有增量干燥区的干燥器/烘箱通道进行。
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公开(公告)号：US20090162754A1
公开(公告)日：2009-06-25
申请号：US12339927
申请日：2008-12-19
Applicant: Frederic COTTON , Thierry GUENA , Patrick LEBLANC , Alain VALLEE , Marc DESCHAMPS
Inventor： Frederic COTTON , Thierry GUENA , Patrick LEBLANC , Alain VALLEE , Marc DESCHAMPS
CPC classification number: H01M10/052 , H01M10/0565 , H01M2300/0082 , H01M2300/0091
Abstract: A solid polymer electrolyte for a battery is disclosed. The solid polymer electrolyte includes a first polymer capable of solvating a lithium salt, a lithium salt, and a second polymer which is at least partially miscible with the first polymer or rendered at least partially miscible with the first polymer; at least a portion of_the second polymer being crystalline or vitreous at the internal operating temperature of the battery.
Abstract translation: 公开了一种用于电池的固体聚合物电解质。 固体聚合物电解质包括能够溶解锂盐，锂盐和第二聚合物的第一聚合物，该第二聚合物与第一聚合物至少部分可混溶，或者与第一聚合物至少部分混溶; 第二聚合物的至少一部分在电池的内部工作温度下是结晶或玻璃质的。
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