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1. 发明专利

JP2008192594A Negative electrode for nonaqueous electrolyte secondary battery, its manufacturing method, and nonaqueous electrolyte secondary battery using the same 审中-公开
标题翻译：用于非水电解质二次电池的负极，其制造方法和使用其的非电解电解质二次电池
公开(公告)号：JP2008192594A
公开(公告)日：2008-08-21
申请号：JP2007207592
申请日：2007-08-09
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KASHIWAGI KOKUKIYO , UGAJI MASAYA , HASEGAWA MASAKI
IPC分类号： C23C14/10 , C23C14/30 , H01M4/13 , H01M4/134 , H01M4/139 , H01M4/1395 , H01M4/38 , H01M4/48 , H01M10/052
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode for a nonaqueous electrolyte secondary battery having excellent capacity maintenance factor, high-rate characteristics, low temperature characteristics, and reliability, and to provide its manufacturing method and the nonaqueous electrolyte secondary battery using the negative electrode. SOLUTION: The negative electrode for the nonaqueous electrolyte secondary battery is equipped with a current collector 11 having a recessed part 12 and a projecting part 13 on at least one surface and a columnar member 15 having n (n≥2) stages of laminated columnar portions obliquely formed on the projecting part 13 of the current collector, and a layer 155b less in expansion and contraction caused by storing and releasing of lithium ions is installed in the columnar member 15. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供具有优异的容量维持率，高速特性，低温特性和可靠性的非水电解质二次电池用负极，提供其制造方法和非水电解质二次电池，其使用负极。解决方案：非水电解质二次电池用负极具有在至少一个面上具有凹部12和突出部13的集电体11和具有n（n≥2）阶段的柱状部件15 层叠柱状部倾斜地形成在集电体的突出部13上，并且由于锂离子的储存和释放引起的膨胀和收缩较小的层155b安装在柱状构件15中。（C）2008年， JPO＆INPIT

2. 发明专利

JP2006164952A Negative electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising the same 有权
标题翻译：用于非水电解质二次电池的负极和非电解电解质二次电池
公开(公告)号：JP2006164952A
公开(公告)日：2006-06-22
申请号：JP2005297069
申请日：2005-10-12
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SATO TOSHITADA , HASEGAWA MASAKI , YAMAMOTO TERUAKI , MIFUJI YASUHIKO
IPC分类号： H01M4/02 , H01M4/133 , H01M4/134 , H01M4/36 , H01M4/38 , H01M4/587 , H01M4/62 , H01M10/05 , H01M10/052 , H01M10/0566
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a non-aqueous electrolyte secondary battery with a high capacity and excellent cycle characteristics by suppressing degradation of battery characteristics accompanying an expansion of an alloy material in a negative electrode using the alloy material and a graphite material. SOLUTION: A negative electrode for a non-aqueous electrolyte secondary battery includes graphite and at least one alloy material capable of electrochemically absorbing and desorbing Li. The alloy material includes an A phase composed mainly of Si and a B phase made of a metallic chemical compound of at least one transition metal element and Si. At least one of the A phase and the B phase includes a microcrystalline or amorphous region. The weight percentage of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%. The weight percentage of the graphite relative to the total weight of the alloying material and the graphite is not less than 50% and not greater than 95%. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题为了提供一种具有高容量和优异的循环特性的非水电解质二次电池，其通过使用合金材料和石墨材料抑制伴随着负极中的合金材料膨胀的电池特性的劣化。解决方案：用于非水电解质二次电池的负极包括石墨和能够电化学吸收和解吸Li的至少一种合金材料。合金材料包括主要由Si构成的A相和由至少一种过渡金属元素和Si的金属化合物构成的B相。 A相和B相中的至少一个包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。石墨相对于合金材料和石墨的总重量的重量百分比不小于50％且不大于95％。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004247140A Negative electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery using it 审中-公开
公开(公告)号：JP2004247140A
公开(公告)日：2004-09-02
申请号：JP2003035136
申请日：2003-02-13
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： NANAI SATOSHIGE , HASEGAWA MASAKI , OYAMA HIDEAKI
IPC分类号： H01M4/02 , H01M4/38 , H01M10/40
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode for a nonaqueous electrolyte secondary battery having a capacity larger than that of a carbon system and excellent electron conductivity, and capable of controlling the deposition of metal lithium.
SOLUTION: A negative electrode is obtained, which contains an active material made of a metal or an alloy storing/releasing lithium. In the active material, among
7 Li nuclear magnetic resonance signals reversibly changing during charging/discharging, a chemical shift value of a signal having maximum strength during charging (a lower magnetic field side is positive on a lithium chloride standard) is 10-40 ppm.
COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JP2008117755A Negative electrode for nonaqueous electrolyte secondary battery, its manufacturing method and nonaqueous electrolyte secondary battery using the same 有权
标题翻译：非电解电解质二次电池的负极，其制造方法和使用其的非电解电解质二次电池
公开(公告)号：JP2008117755A
公开(公告)日：2008-05-22
申请号：JP2007234941
申请日：2007-09-11
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： UGAJI MASAYA , HASEGAWA MASAKI , YAMAMOTO TAISUKE , OHARA KEISUKE
IPC分类号： H01M4/13 , H01M4/139 , H01M4/48
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode for a nonaqueous electrolyte secondary battery excellent in a capacity maintenance ratio, high-rate characteristics, a low temperature property and reliability, and its manufacturing method as well as a nonaqueous electrolyte secondary battery using the negative electrode. SOLUTION: The negative electrode for a nonaqueous electrolyte secondary battery which reversibly occludes and discharges lithium ion includes a current collector 11 on one side of which there are formed a recess 12 and a protrusion 13, and a column 15 composed of lamination of an n-number (n≥2) of layers of column parts 16a, 16b, 16c in which a content of an element formed on the protrusion 13 of the current collector 11 varies in turn in a lengthwise direction of the current collector 11. Variation directions of the content of the element of the layers in an odd number and an even number of the column parts 16a, 16b, 16c are different. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供容量维持率，高速特性，低温性和可靠性优异的非水电解质二次电池用负极及其制造方法以及非水电解质二次电池使用负极。解决方案：可逆地封闭和排出锂离子的非水电解质二次电池用负极包括在其一侧形成有凹部12和突起13的集电体11和由层叠形成在集电体11的突起部13上的元素的含量在集电体11的长度方向依次变化的列部分16a，16b，16c的n个（n≥2）层。变化奇数和偶数的列部分16a，16b，16c中的层的元素的内容的方向不同。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007115671A Negative electrode for lithium-ion secondary battery, and lithium-ion secondary battery using it 审中-公开
标题翻译：用于锂离子二次电池的负极和使用其的锂离子二次电池
公开(公告)号：JP2007115671A
公开(公告)日：2007-05-10
申请号：JP2006248134
申请日：2006-09-13
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： HASEGAWA MASAKI , MIFUJI YASUHIKO
IPC分类号： H01M4/02 , H01M4/13 , H01M4/131 , H01M4/134 , H01M4/36 , H01M4/38 , H01M4/48 , H01M4/62 , H01M10/05
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery in which deterioration of battery characteristics is suppressed even in the case an adhesive has a hydrophilic group. SOLUTION: This is a negative electrode for the lithium ion secondary battery which is provided with a negative electrode active material layer, in which the negative electrode active material layer contains a negative electrode active material and the adhesive capable of reversibly storing and releasing lithium, in which the adhesive contains at least one kind of polymer selected from a group composed of polyacrylic acid or polymethacrylic acid, and in which the polymer contains an acid anhydride group, and provide the lithium ion secondary battery using it. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供即使在粘合剂具有亲水性基团的情况下也能够抑制电池特性劣化的锂离子二次电池。解决方案：这是一种锂离子二次电池的负极，其具有负极活性物质层，其中负极活性物质层含有负极活性物质和能够可逆地储存和释放的粘合剂锂，其中粘合剂含有选自由聚丙烯酸或聚甲基丙烯酸组成的组中的至少一种聚合物，并且其中聚合物含有酸酐基团，并且提供使用它的锂离子二次电池。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006253126A Anode active material for nonaqueous electrolyte secondary cell, anode for nonaqueous electrolyte secondary cell using same, and nonaqueous electrolyte secondary cell 有权
标题翻译：用于非电解电解质二次电池的阳极活性材料，使用其的非电解电解质二次电池的阳极和非电解电解质二次电池
公开(公告)号：JP2006253126A
公开(公告)日：2006-09-21
申请号：JP2006036167
申请日：2006-02-14
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SATO TOSHITADA , YAMAMOTO TERUAKI , HASEGAWA MASAKI , MIFUJI YASUHIKO
IPC分类号： H01M4/38 , C22C14/00 , C22C16/00 , H01M4/02 , H01M4/133 , H01M4/134 , H01M4/36 , H01M4/587 , H01M4/62 , H01M10/05 , H01M10/052 , H01M10/0525
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary cell suppressing deterioration of cell characteristics with an expansion of an alloy material and having high capacity and good cycle characteristics, in an anode using both an alloy material and a graphite material.
SOLUTION: The anode active material for a nonaqueous electrolyte secondary cell contains an alloy material including Si and at least either Ti or Zr, as well as a graphite material, with a surface of the graphite material covered with the alloy material. An anode including the anode active material is preferred to have a porosity in a discharge state in a range of 10% to 80% inclusive. The nonaqueous electrolyte secondary cell is structured by combining the anode with a cathode including lithium-containing transition metal oxide and nonaqueous electrolyte including lithium salt.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：在使用合金材料和石墨材料的阳极中，提供一种在合金材料膨胀并且具有高容量和良好循环特性的情况下抑制电池特性劣化的非水电解质二次电池。解决方案：用于非水电解质二次电池的负极活性材料包含包含Si和至少一种Ti或Zr的合金材料以及石墨材料，石墨材料的表面被合金材料覆盖。包括阳极活性材料的阳极优选在排气状态下具有10％至80％（含）范围内的孔隙率。非水电解质二次电池通过将阳极与包含含锂过渡金属氧化物的阴极和包含锂盐的非水电解质组合而构成。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006196339A Nonaqueous electrolyte secondary battery 有权
标题翻译：非电解电解质二次电池
公开(公告)号：JP2006196339A
公开(公告)日：2006-07-27
申请号：JP2005007396
申请日：2005-01-14
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： MIFUJI YASUHIKO , HASEGAWA MASAKI
IPC分类号： H01M4/62 , H01M4/02 , H01M4/13 , H01M4/134 , H01M4/38 , H01M10/05
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To solve the problem of a deterioration in charge and discharge cycle performance due to a faulty current collection caused by expansion and contraction at the time of charge and discharge of a nonaqueous electrolyte secondary battery containing Si based negative electrode active materials.
SOLUTION: The nonaqueous electrolyte secondary battery exhibits excellent charge and discharge cycle performance by including polymaleic acid or polymaleate as a binding agent.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了解决由于含有Si基负极的非水电解质二次电池的充放电时由于收缩引起的电流集中而导致的充放电循环性能劣化的问题活性物质。解决方案：非水电解质二次电池通过包括聚马来酸或聚马来酸酯作为粘合剂而表现出优异的充放电循环性能。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004296186A Negative electrode for lithium secondary battery, and lithium secondary batter using it 有权
公开(公告)号：JP2004296186A
公开(公告)日：2004-10-21
申请号：JP2003085041
申请日：2003-03-26
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： NANAI SATOSHIGE , HASEGAWA MASAKI
IPC分类号： H01M4/134 , H01M4/139 , H01M4/1395 , H01M4/38 , H01M4/62 , H01M10/05 , H01M4/02 , H01M4/04 , H01M10/40
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode for a lithium secondary battery capable of restraining capacity drop due to volume change of an active material as compared with the case using a non-carbonic active material; and to provide a lithium secondary battery capable of restraining capacity drop due to repetition of charge and discharge as compared with the case using a non-carbonic active material by using the negative electrode.
SOLUTION: This negative electrode is characterized by containing: the active material formed of a metal or an alloy capable of storing/releasing at least lithium; a conductive assistant; a conductive assistant reforming agent; and a binder.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004281317A Electrode material for nonaqueous electrolyte secondary battery, its manufacturing method and nonaqueous electrolyte secondary battery using it 审中-公开
公开(公告)号：JP2004281317A
公开(公告)日：2004-10-07
申请号：JP2003073837
申请日：2003-03-18
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： OYAMA HIDEAKI , NAKAMOTO TAKAYUKI , HASEGAWA MASAKI , SHIMAMURA HARUNARI , MIFUJI YASUHIKO , KITAGAWA MASATOSHI
IPC分类号： H01M4/38 , B82Y99/00 , H01M4/134 , H01M4/1395 , H01M4/02 , H01M4/04
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery whose charging and discharging cycle characteristics are excellent, an electrode material for the nonaqueous electrolyte secondary battery to realize the secondary battery and a manufacturing method of the electrode material for the nonaqueous electrolyte secondary battery.
SOLUTION: In an electrode material for the nonaqueous electrolyte secondary battery in which Li can be occluded and released reversibly, an Si active material has a cylindrical shape whose diameter is 10 nm or smaller.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2008186809A Electrode for lithium secondary battery, lithium-ion secondary battery, and manufacturing method of the same 审中-公开
标题翻译：用于锂二次电池的电极，锂离子二次电池及其制造方法
公开(公告)号：JP2008186809A
公开(公告)日：2008-08-14
申请号：JP2008066216
申请日：2008-03-14
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： TAKAHASHI KEIICHI , UGAJI MASAYA , FURUYUI YASUTAKA , MINO TATSUJI , NAGAO NOBUAKI , HASEGAWA MASAKI
IPC分类号： H01M4/13 , H01M4/133 , H01M4/134 , H01M4/136 , H01M4/139 , H01M4/1393 , H01M4/1395 , H01M4/1397 , H01M4/38 , H01M4/42 , H01M4/48 , H01M4/58 , H01M4/70
CPC分类号： H01M4/13 , H01M4/131 , H01M4/139 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/052 , Y02T10/7011 , Y10T29/49108 , Y10T29/49115
摘要： PROBLEM TO BE SOLVED: To improve charge and discharge cycle characteristics of a lithium secondary battery. SOLUTION: An electrode for a lithium secondary battery is provided with a sheet-like current collector and an active material layer carried by the current collector. The active material layer is capable of absorbing and desorbing lithium, and the active material layer includes a plurality of columnar particles having at least one bent part. An angle θ 1 formed by a growth direction of the columnar particles from a bottom part to a first bent part of the columnar particles, and a direction normal to the current collector is preferably 10° or more and less than 90°. When θ n+1 is an angle formed by a growth direction of the columnar particles from an n-th bent part counted from a bottom part of the columnar particles to an (n+1)-th bent part, and the direction normal to the current collector, and n is an integer of 1 or more, θ n+1 is preferably 0° or more and less than 90°. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提高锂二次电池的充放电循环特性。解决方案：用于锂二次电池的电极设置有片状集电体和由集电体承载的活性物质层。活性物质层能够吸收和解吸锂，活性物质层包括多个具有至少一个弯曲部分的柱状颗粒。由柱状颗粒从柱状颗粒的底部到第一弯曲部分的生长方向和垂直于集电器的方向形成的角度θ<1> 优选为10°以上超过90°。当θ n + 1 是从柱状颗粒的底部计数到第（n + 1）弯曲的第n个弯曲部分由柱状颗粒的生长方向形成的角度部分和与集电体垂直的方向，n为1以上的整数，θ n + 1 优选为0°以上且小于90°。版权所有（C）2008，JPO＆INPIT

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