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1. 发明专利

JPH07268687A ALUMINUM OR ITS ALLOY AND ITS SURFACE TREATMENT 失效
公开(公告)号：JPH07268687A
公开(公告)日：1995-10-17
申请号：JP5643294
申请日：1994-03-28
申请人： MITSUBISHI MATERIALS CORP , TOHKEM PROD KK
发明人： NAKABAYASHI AKIRA , WATARAI YUSUKE , TAKENUKI SHINYA
IPC分类号： C25D11/20 , C25D11/18 , C25D13/00
摘要： PURPOSE:To provide aluminum or its alloy which has wear resistance, corrosion resistance, water repellency and oil repellency and water resistance without deteriorating these characteristics in spite of use in an atmosphere having much moisture or water content and has water resistance. CONSTITUTION:A porous oxidized film 11 is formed on the surface of the aluminum or its alloy and a water-insoluble perfluoroalkyl compd. 16 having 1 to 5C alkyl groups at side chains is adsorbed over the entire part on the inside surface of fine pores 14 or is filled into the entire part of the fine pores 14 and is formed on the surface of the film 11. The surface treatment of the aluminum or its alloy is executed by forming a porous anodically oxidized film on the surface of the aluminum or its alloy, then subjecting the aluminum or its alloy to secondary electrolysis in a polar org. solvent contg. the water-insoluble perfluoroalkyl acrylate monomer having 1 to 5C alkyl groups.

3. 发明公开

EP1381097A4 LITHIUM ION POLYMER SECONDARY BATTERY, ITS ELECTRODE AND METHOD FOR SYNTHESIZING POLYMER COMPOUND IN BINDER USED IN ADHESION LAYER THEREOF 审中-公开
标题翻译：聚合物锂离子二次电池的电极连接和合成聚合物组合物粘结剂使用您的粘合方法
公开(公告)号：EP1381097A4
公开(公告)日：2006-12-06
申请号：EP02717097
申请日：2002-04-10
申请人： MITSUBISHI MATERIALS CORP
发明人： WATARAI YUSUKE , MINAKUCHI AKIO , HIGAMI AKIHIRO , ZHANG SHOUBIN , KOBAYASHI TADASHI , TAKEUCHI SAWAKO
IPC分类号： H01M4/131 , H01M4/133 , H01M4/62 , H01M10/052 , H01M10/0525 , H01M10/0565 , H01M10/36 , H01M4/02
CPC分类号： H01M4/621 , H01M4/131 , H01M4/133 , H01M4/623 , H01M4/625 , H01M4/667 , H01M10/052 , H01M10/0525 , H01M10/0565
摘要： A lithium ion polymer secondary battery comprising an electrode exhibiting excellent adhesion between a current collector and an active substance layer, excellent conductivity and enhanced cycle capacity sustaining characteristics in which an adhesion layer for bonding the current collector and the active substance layer is stable against organic solvent in electrolyte and exhibits long term shelf life and corrosion of the current collector due to strong acid, e.g. hydrofluoric acid, produced in the battery is suppressed. The lithium ion polymer secondary battery comprises a positive electrode formed by providing a positive pole active substance layer containing a first binder and an active substance on the surface of a positive pole current collector, a negative electrode formed by providing a negative pole active substance layer containing a second binder identical to or different from the first binder and an active substance on the surface of a negative pole current collector, and electrolyte. A first adhesion layer is provided between the positive pole current collector and the positive pole active substance layer and a second adhesion layer is provided between the negative pole current collector and the negative pole active substance layer wherein the first and second adhesion layers contain a third binder and a conductive substance, respectively, and third binder is a polymer compound obtained by modifying the first or second binder with a modifying substance.

4. 发明专利

JP2005071655A Anode material for nonaqueous electrolytic solution secondary battery, its manufacturing method, and nonaqueous electrolytic solution secondary battery using same 审中-公开
标题翻译：非电解电解质二次电池的阳极材料及其制造方法和非电解电解质使用其的二次电池
公开(公告)号：JP2005071655A
公开(公告)日：2005-03-17
申请号：JP2003209244
申请日：2003-08-28
申请人： Mitsubishi Materials Corp , 三菱マテリアル株式会社
发明人： CHO SHUHIN , WATARAI YUSUKE , HISAYOSHI KANJI
IPC分类号： H01M10/05 , H01M4/02 , H01M4/36 , H01M4/38 , H01M10/052 , H01M10/0566 , H01M10/40
CPC分类号： Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide an anode material for a nonaqueous electrolytic solution secondary battery, capable of reducing volume change at storage and release of lithium ion and of improving charge/discharge cycle characteristics and large current charge/discharge characteristics, and further provide its manufacturing method, and the nonaqueous electrolytic solution secondary battery using the same.
SOLUTION: The anode material for the nonaqueous electrolytic solution secondary battery improves an anode material which uses silicon as a main component and contains complex particles 10 with a part of or a whole of the face of inorganic substance particles 11 capable of storing and releasing lithium ion coated with a metal layer 12. In its featured arrangement, an intermediate layer 13 containing either or both of an intermetallic compound consisting of silicon contained in the inorganic substance particles and metal contained in the metal layer 12 and its solid solution is formed at an interface between the inorganic substance particles 11 and the metal layer 12.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种非水电解液二次电池用负极材料，能够减少锂离子的储存和释放时的体积变化以及改善充放电循环特性和大电流充放电特性，以及进一步提供其制造方法和使用其的非水电解液二次电池。解决方案：用于非水电解液二次电池的负极材料改善了使用硅作为主要成分的阳极材料，并且包含具有能够存储的无机物质颗粒11的一部分或全部面的复合颗粒10，以及释放由金属层12涂覆的锂离子。在其特征性布置中，形成包含无机物质颗粒中所含的由硅构成的金属间化合物或金属层12中包含的金属及其固溶体的中间层13 在无机物质颗粒11和金属层12之间的界面处。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2005071652A Positive pole active substance for lithium secondary battery, its manufacturing method, and lithium secondary battery using same 审中-公开
标题翻译：用于锂二次电池的正极活性物质，其制造方法和使用其的锂二次电池
公开(公告)号：JP2005071652A
公开(公告)日：2005-03-17
申请号：JP2003209241
申请日：2003-08-28
申请人： Mitsubishi Materials Corp , 三菱マテリアル株式会社
发明人： HISAYOSHI KANJI , WATARAI YUSUKE
IPC分类号： C01G45/00 , H01M4/505 , H01M10/05 , H01M4/58 , H01M4/02 , H01M10/40
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To suppress the deterioration of charge/discharge capacity even after repeated charging and discharging, and to prevent the formation of Li
2 MnO
3 and LiMn
2 O
4 accompanying local segregation of lithium and manganese, by distributing lithium and manganese evenly.
SOLUTION: As a positive pole active substance for a lithium secondary battery, a lithium manganese oxide composed of lithium, manganese and oxygen is used. The crystal structure of the lithium manganese oxide is a spinel structure. The molar ratio Li/Mn of lithium to manganese is 0.7 to 0.9, and the average valence of manganese is 3.8 to 4.0. Moreover, BET specific surface area is not less than 10 m
2 /g, and the average secondary particle size is ≤50 μm.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决问题：即使在反复进行充放电之后也能够抑制充放电容量的劣化，并且为了防止形成Li 2 MnO 3 SB 3和/或伴随着锰和锰的局部偏析，通过均匀分布锂和锰，可以实现 2 O 4 。解决方案：作为锂二次电池的正极活性物质，使用由锂，锰和氧组成的锂锰氧化物。锂锰氧化物的晶体结构是尖晶石结构。锂与锰的Li / Mn摩尔比为0.7〜0.9，锰的平均化合价为3.8〜4.0。此外，BET比表面积为10μm以上，平均二次粒径≤50μm。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004303535A Battery pack of flat cell 审中-公开
标题翻译：电池组电池
公开(公告)号：JP2004303535A
公开(公告)日：2004-10-28
申请号：JP2003093955
申请日：2003-03-31
申请人： Mitsubishi Materials Corp , 三菱マテリアル株式会社
发明人： WATARAI YUSUKE , MIZUGUCHI AKIO , HIGAMI AKIHIRO , CHO SHUHIN
IPC分类号： H01M2/22 , H01M2/10 , H01M10/05 , H01M10/0565 , H01M10/0583 , H01M10/40
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a battery pack of flat cells having comparatively high energy efficiency by reducing resistance at a connection part of a plurality of cells.
SOLUTION: The battery pack 9 is constituted by laminating a plurality of first and second flat cells, wherein positive electrode current collector foils 12, 22, 32 with positive electrode active materials 13, 23, 33 applied to the surface, and negative electrode current collector foils 15, 25, 35 with negative electrode active materials 16, 26, 36 applied to the surface, are laminated through polymer electrolyte layers 17. One end parts 12b, 22b of the positive electrode current collector foils of the first cell are connected in a laminated manner to the other end parts 25a, 35a of the negative electrode current collector foils of the adjacent second cell to sequentially laminate and connect the plurality of flat cells in series. A positive electrode terminal 38 is connected to the positive electrode current collector foil 32 positioned at the end, and a negative electrode terminal 39 is connected to the negative electrode current collector foil 15 positioned at the end. The battery pack is closed with a single package 41 to expose the other ends of the terminals.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：通过降低多个单元的连接部分的电阻来提供具有相对较高能量效率的扁平电池的电池组。解决方案：电池组9通过层叠多个第一和第二扁平电池而构成，其中正电极集电体箔12,22,32具有施加到表面的正极活性材料13,23,33，负极通过高分子电解质层17层叠施加到表面的负极活性物质16,26,36的电极集电体箔15,25,35，第一电池单元的正极集电体箔的一个端部12b，22b 以层叠的方式连接到相邻的第二电池的负极集电体箔的另一端部25a，35a，以顺序层叠并连接多个扁平电池。正极端子38与位于端部的正极集电体箔32连接，负极端子39与位于端部的负极集电体箔15连接。电池组用单个包装41封闭以露出终端的另一端。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004200010A Cathode material for nonaqueous electrolyte secondary battery, electrode structure manufactured using cathode material, and nonaqueous electrolyte secondary battery 审中-公开
公开(公告)号：JP2004200010A
公开(公告)日：2004-07-15
申请号：JP2002367407
申请日：2002-12-19
申请人： Mitsubishi Materials Corp , 三菱マテリアル株式会社
发明人： WATARAI YUSUKE , HISAYOSHI KANJI , MIZUGUCHI AKIO , CHO SHUHIN
IPC分类号： H01M10/05 , H01M4/13 , H01M4/134 , H01M4/38 , H01M4/48 , H01M4/62 , H01M10/052 , H01M10/0565 , H01M4/02 , H01M10/40
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a cathode material for a nonaqueous electrolyte secondary battery with high chemical stability and superior adhering property to non-organic particles, an electrode structure body, manufactured by using the cathode material, which is superior in adhering property of a collector and an active substance and retaining high mechanical strength, the nonaqueous electrolyte secondary battery, an electrode structure body manufacutured by using the cathode material which can improve the cycle property by controlling the stress arising from insertion or releasing reaction of charging or discharging lithium ion and the nonaqueous electrolyte secondary battery.
SOLUTION: In the improvement of the cathode material for the nonaqueous secondary battery containing both of a resin binder and non-organic particles containing at least 1 type of an element selected from a group consisting of Si, Ge, Mg, Sn, Pb, Ag, Al, Zn, Cd, Sb, Bi and In, the characteristic structure is that the resin binder contains polymeric compound containing modified fluoride obtained by modifying the fluoride-containing resin by a modifying substance.
COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2004186067A Negative electrode material, negative electrode using the same, lithium ion battery using that negative electrode, and lithium-polymer battery 审中-公开
公开(公告)号：JP2004186067A
公开(公告)日：2004-07-02
申请号：JP2002353660
申请日：2002-12-05
申请人： Mitsubishi Materials Corp , 三菱マテリアル株式会社
发明人： WATARAI YUSUKE , MIZUGUCHI AKIO , IMAI HIROYUKI
IPC分类号： H01M10/05 , H01M4/02 , H01M4/36 , H01M4/587 , H01M10/0525 , H01M10/0565 , H01M4/58 , H01M10/40
CPC分类号： Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode material capable of improving efficient charge and discharge characteristic by smoothing insertion of lithium ions when charging and discharging and reaction for desorption, and to provide a negative electrode using the same.
SOLUTION: As the negative electrode material, a plurality of laminated layers of flat graphite nets 11 having the mean diameter of 10 nm-500 nm, and the graphite net is mainly formed from carbon nano fibers 12 practically vertical to the vertical axis of the fiber, and this carbon nano fiber has length of 1000 nm or more and aspect ratio of 10 or more. The negative electrode material contains, in addition to the carbon nano fibers, agglomerated particles 13 formed from carbon particles having the graphite structure, and contains 80 wt%-99.5 wt% carbon nano fibers and 0.5 wt%-20 wt% agglomerated particles.
COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JP2003263987A BINDER FOR LITHIUM ION POLYMER SECONDARY CELL 审中-公开
公开(公告)号：JP2003263987A
公开(公告)日：2003-09-19
申请号：JP2002062946
申请日：2002-03-08
申请人： MITSUBISHI MATERIALS CORP
发明人： WATARAI YUSUKE , MIZUGUCHI AKIO , HIGAMI AKIHIRO , CHO SHUHIN
IPC分类号： H01M4/62 , H01M4/13 , H01M4/02
摘要： PROBLEM TO BE SOLVED: To provide a binder which is superior in adhesion and conductivity between a collector and an active material layer; can improve cycle capacity keeping characteristics; can form a stable adhesive layer in an organic solvent of an electrolytic solution and is superior in long storage; and can restrain corrosion of the collector by strong acid such as hydrofluoric acid produced in a cell. SOLUTION: This improved polymer binder contained in the adhesive layer arranged between the collector of the secondary cell and the active material layer including a fluorine-containing high polymer compound is a high polymer compound prepared by modifying the fluorine-containing high polymer compound by a modifying substance. COPYRIGHT: (C)2003,JPO

10. 发明专利

JP2003257433A NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BINDING AGENT 审中-公开
公开(公告)号：JP2003257433A
公开(公告)日：2003-09-12
申请号：JP2002053407
申请日：2002-02-28
申请人： MITSUBISHI MATERIALS CORP
发明人： CHO SHUHIN , HIGAMI AKIHIRO , MIZUGUCHI AKIO , WATARAI YUSUKE , SUGIHARA TADASHI
IPC分类号： C08F259/08 , H01M4/13 , H01M4/62 , H01M10/05 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery which is excellent in adhesion and conductivity between a collector and an active material, and improves cycle capacity maintaining characteristics, and in which an adhesion layer is stable with respect to the solvent in the electrolyte, thereby having good keeping for a long period of time. SOLUTION: The nonaqueous electrolyte secondary battery includes a positive electrode 11 which has a positive electrode active material layer 13 formed on a surface of a positive electrode collector 12, the active material containing a first binding agent; a negative electrode 14 which has a negative electrode active material layer 17 formed on a surface of a negative electrode collector 16, and active material containing the same binding agent as the first binding agent or a second binding agent different from the first biding agent; and an electrolyte 18 containing nonaqueous electrolyte which is disposed between the positive electrode active material layer and the negative electrode active material layer. Furthermore, this secondary battery has a first adhesion layer 19 between the positive electrode collector and the positive electrode active material layer, and a second adhesion layer 21 between the negative electrode collector and the negative electrode active material, the first and second adhesion layers respectively containing both of a conductive material and the same binding agent as the first or second binding agent or a third binding agent different therefrom, the third binding agent containing a first polymer containing fluorine which has weight-average molecular weight MW of 100000 to 500000. COPYRIGHT: (C)2003,JPO

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