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公开(公告)号：US20170309871A1
公开(公告)日：2017-10-26
申请号：US15526530
申请日：2016-02-05
Applicant: LG Chem, Ltd.
Inventor： Vin-Na Jo , Jae-Hyun Lee , Ji-Hyun Kim
CPC classification number: H01M2/0277 , H01M2/02 , H01M2/021 , H01M2/0212 , H01M2/0217 , H01M2/0275 , H01M2/18 , H01M10/0436 , H01M10/052 , H01M10/0585 , H01M10/4235 , Y02T10/7011
Abstract: The present invention provides a pouch-type secondary battery comprising: an electrode assembly having, repeatedly stacked therein, unit cells comprising a positive plate, a negative plate, and a separator positioned between the positive and negative plates, wherein the positive plate and negative plate are respectively provided with a positive electrode tab and a negative electrode tab, and the positive and negative electrode tabs each converge in a predetermined direction; and a pouch case for sealing the electrode assembly, the pouch-type secondary battery being characterized by taping in contact with the outer circumferential surface of the electrode assembly along the stacking thickness direction of the electrode assembly, at the end of the electrode assembly at the part where the tabs converge, thereby improving the safety of the pouch-type secondary battery.
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公开(公告)号：US20170288181A1
公开(公告)日：2017-10-05
申请号：US15471037
申请日：2017-03-28
Applicant: LG Chem, Ltd.
Inventor： Won Pill Hwang , Yong Su Choi , Sang Hun Kim , Sang Suk Jung , Cho Long Kim , Yong Kim
IPC: H01M2/02 , H01M4/587 , H01M4/525 , H01M10/0525 , H01M10/0565
CPC classification number: H01M2/0292 , H01M2/0212 , H01M2/0275 , H01M2/0277 , H01M2/028 , H01M2/0285 , H01M2/0287 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0565 , H01M2300/0082
Abstract: Provided are a lithium secondary battery, which includes an electrode assembly, a battery case accommodating the electrode assembly, a surface layer comprising an engineering plastic located on the outer side of the battery case, and lead terminals connected with the electrode assembly and drawn out of the battery case, and a method of fabricating the same.
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公开(公告)号：US20170214086A1
公开(公告)日：2017-07-27
申请号：US15328266
申请日：2015-07-21
Applicant: REKRIX CO., LTD.
Inventor： Byung Hoon RYU , Jae Kyung KONG
IPC: H01M10/0565 , H01M10/04 , H01M4/74 , H01M4/133
CPC classification number: H01M10/054 , H01L23/58 , H01M2/0262 , H01M2/0277 , H01M2/1072 , H01M2/1077 , H01M2/206 , H01M4/133 , H01M4/136 , H01M4/366 , H01M4/58 , H01M4/583 , H01M4/625 , H01M4/661 , H01M4/667 , H01M4/668 , H01M4/74 , H01M4/80 , H01M4/808 , H01M6/40 , H01M10/0436 , H01M10/056 , H01M10/0562 , H01M10/0565 , H01M10/0585 , H01M10/36 , H01M10/425 , H01M2004/025 , H01M2004/029 , H01M2220/20 , H01M2220/30 , H01M2300/0071 , H01M2300/0082 , H01M2300/0085 , H05K1/181 , H05K2201/10037
Abstract: A solid silicon secondary battery, by substitutions of silicon for lithium, enables decrease of preparations cost and minimizing of environmental pollutions. By laminate pressing multiple times a positive or negative electrode material, the present invention enables increase of the density of a positive or negative electrode active material to increase current density and capacity. By having mesh plates equipped inside the positive electrode active material and the negative electrode active material, the present invention enables effective moving of electrons. By enabling common use of an electrode, of a silicon secondary battery, connected during a serial connections of the silicon secondary battery, the present invention enables decreasing of the thickness of a silicon secondary battery assembly and increasing of output voltage. By being integrally formed with a PCB or a chip and supplying a power source, the present invention plays the role of a backup power source for instant discharging.
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公开(公告)号：US20170149026A1
公开(公告)日：2017-05-25
申请号：US15338524
申请日：2016-10-31
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jung-Yup YANG , Jun-Won SUH , Jeong-Doo YI , Jan-Dee KIM , Bong-Kyoung PARK , Ju-Hyeong HAN , Ju-hee SOHN , Da-Woon HAN , Hye-Ri EOM , Hyun-Hwa SONG , Sol CHOI , Seok-Hun HONG
CPC classification number: H01M2/0287 , H01M2/026 , H01M2/0275 , H01M2/0277 , H01M2/029 , H01M2/08
Abstract: A case for a rechargeable battery and a rechargeable battery including the case, the case including a sequentially deposited first resin layer and second resin layer, wherein the second resin layer includes a butyl-based resin.
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公开(公告)号：US20170149025A1
公开(公告)日：2017-05-25
申请号：US15129615
申请日：2015-03-31
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Yohei HASHIMOTO , Rikiya YAMASHITA
IPC: H01M2/02 , H01M2/08 , B32B15/20 , B32B7/12 , B32B15/085
CPC classification number: H01M2/0287 , B32B7/12 , B32B15/04 , B32B15/08 , B32B15/085 , B32B15/20 , B32B27/08 , B32B27/16 , B32B27/26 , B32B27/32 , B32B27/34 , B32B27/42 , B32B2255/06 , B32B2255/20 , B32B2255/26 , B32B2270/00 , B32B2307/31 , B32B2307/518 , B32B2307/714 , B32B2457/10 , B32B2553/00 , H01M2/0277 , H01M2/0285 , H01M2/08
Abstract: The purpose of the first invention is to provide a packaging material for batteries, which has excellent resistance to electrolyte solution. A packaging material for batteries, which is composed of a laminate that sequentially comprises at least a base layer, an adhesive layer, a metal foil layer and a sealant layer in this order. This packaging material for batteries is able to have excellent resistance to electrolyte solution by disposing an acid-reactive resin layer containing an acid curable resin between the adhesive layer and the metal foil layer and/or between the metal foil layer and the sealant layer.
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Patent Agency Ranking
公开(公告)号：US20170149024A1
公开(公告)日：2017-05-25
申请号：US15354874
申请日：2016-11-17
Applicant: Samsung SDI Co., Ltd.
Inventor： Seunghee Park , Jeawoan Lee , Youngchang Lim , Euysun Jung , Soomi Eo , Kyunghoon Cho , Kyung Kim , Kwonchul Kim , Jaemin Im
CPC classification number: H01M2/0277 , H01M2/0202 , H01M2/021 , H01M2/0237 , H01M2/024 , H01M2/06 , H01M2/26 , H01M2/30 , H01M10/0413 , H01M10/0431 , H01M2220/20 , H01M2220/30
Abstract: A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly, a case accommodating the electrode assembly and a lead member extending from the electrode assembly to outside of the case. The secondary battery also includes an insulation member at least partially covering the lead member, the insulation member having an exterior portion that is located outside the case and an interior portion that is located inside the case, wherein the interior portion has a first thickness, and wherein at least part of the exterior portion has a second thickness less than the first thickness. The secondary battery may have a compact structure, and insulation characteristics of the secondary battery may be improved.
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公开(公告)号：US20170141361A1
公开(公告)日：2017-05-18
申请号：US15161497
申请日：2016-05-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jeongkuk Shon , Jaejun Chang , Junhwan Ku , Minsang Song , Sangmin Ji , Jaeman Choi
CPC classification number: H01M2/0287 , H01M2/026 , H01M2/0277 , H01M2/08 , H01M2220/30
Abstract: An electrochemical cell includes: an electrode assembly; and a housing including a first sheet and a second sheet, wherein the first sheet includes a first gas blocking layer, and a first sealing layer, and wherein the second sheet includes a second gas blocking layer and a second sealing layer, wherein the housing defines an accommodation region which accommodates the electrode assembly, which is disposed between the first sheet and the second sheet, and wherein the housing includes a bonded member, wherein the bonded member includes a third gas blocking layer disposed between the first gas blocking layer and the second gas blocking layer, wherein the third gas blocking layer includes a plurality of nanostructures.
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公开(公告)号：US09647297B2
公开(公告)日：2017-05-09
申请号：US14372892
申请日：2013-01-10
Inventor： Shinichi Tasaki , Chika Amemiya , Daisuke Iga , Takeshi Yasooka
IPC: H01M2/00 , H01M10/058 , H01M10/44 , H01M10/52 , H01M10/052 , H01M10/05 , H01M10/04 , H01M10/0525 , H01M10/0585 , H01M2/02
CPC classification number: H01M10/058 , H01M2/0275 , H01M2/0277 , H01M2/0287 , H01M10/0472 , H01M10/05 , H01M10/052 , H01M10/0525 , H01M10/0585 , H01M10/446 , H01M10/52 , Y02P70/54 , Y10T29/4911
Abstract: According to the present invention, there is provided a seal step (ST105) storing an electrode laminate in which a separator is disposed between a positive electrode and a negative electrode and an electrolyte within an exterior body constituted by a laminate film and sealing the exterior body; a pressure application step (ST106) of applying a pressure to the exterior body in which the electrode laminate is stored by means of a flat plate press working or so forth; charge step (ST102) of charging up to a full charge; a gas removal step (ST107) of unsealing the exterior body and removing gas generated within the exterior body at the charge step; and a re-seal step (ST108) of sealing the exterior body after the gas removal step.The number of times of the gas removal steps is small and an influence of gas on battery characteristics is suppressed.
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公开(公告)号：US09627659B2
公开(公告)日：2017-04-18
申请号：US14716193
申请日：2015-05-19
Applicant: Sanyo Electric Co., Ltd.
Inventor： Masakazu Yamada , Eiji Okutani , Yasuhiro Yamauchi
CPC classification number: H01M2/024 , H01M2/0275 , H01M2/0277 , H01M2/14 , H01M10/0468 , H01M2220/10 , H01M2220/20
Abstract: An insulation sheet is disposed between a rectangular housing and an electrode body. A first side wall of the insulation sheet is disposed between a large-area side surface of the rectangular housing and the electrode body. The first side wall includes a first folded portion that is folded along an edge of the first side wall near a sealing plate. The first folded portion extends from an edge of the first side wall near the sealing plate toward a bottom surface of the rectangular housing and is disposed between the large-area side surface and the electrode body in such a way that the first folded portion overlaps the first side wall.
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公开(公告)号：US09623629B2
公开(公告)日：2017-04-18
申请号：US14007653
申请日：2012-03-29
Applicant: Tetsunobu Kuramoto , Yuuji Minamibori
Inventor： Tetsunobu Kuramoto , Yuuji Minamibori
IPC: H01M2/04 , B32B7/02 , B32B7/12 , B32B15/08 , B32B15/085 , B32B15/09 , B32B27/30 , B32B27/32 , B32B27/36 , H01M2/02
CPC classification number: B32B7/02 , B32B7/12 , B32B15/08 , B32B15/085 , B32B15/09 , B32B27/30 , B32B27/32 , B32B27/36 , B32B2307/31 , B32B2307/54 , B32B2439/70 , B32B2439/80 , B32B2457/10 , H01M2/0277 , H01M2/0287 , H01M2002/0297 , Y10T156/10 , Y10T428/24942
Abstract: Provided is a molding packaging material that can have an increased use life, can suppress a decrease over time in inter-layer lamination strength, and has superior molding properties in extrusion molding, draw forming, and the like. The laminate molding packaging material contains: an outside substrate layer (2) comprising a heat-resistant resin; an inside sealant layer (3) comprising a thermoplastic resin; and a metal foil provided between the two layers as a barrier layer (4). In the heat-resistant resin of the outside substrate layer (2), a biaxially oriented polyethyleneterephthalate film is used that, when the tensile breaking strength in the M direction is MB and the tensile breaking strength in the T direction is TB, the following are satisfied: 500 MPa=MB+TB=700 MPa; and formula (I) |MB−TB|=30 MPa. formula (II)
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