公开(公告)号：JP2005005118A

公开(公告)日：2005-01-06

申请号：JP2003166864

申请日：2003-06-11

Applicant: Sony Corp ,  ソニー株式会社

Inventor： NARUSE YOSHIAKI ,  AKASHI HIROYUKI ,  FUJITA SHIGERU

IPC: C07F5/04 ,  C07F9/6574 ,  H01M4/02 ,  H01M4/36 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/40 ,  H01M4/58 ,  H01M10/36

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To improve battery characteristics such as long term charge and discharge cycle characteristics. SOLUTION: This battery is provided with a wound electrode body 20 in which a positive electrode 21 and a negative electrode 22 are wound via a separator 23. Capacity of the negative electrode 22 includes capacity components by storage/release of Li and capacity components by storing/releasing of Li metal, and is expressed by their sum. An electrolytic solution in which a solvent and electrolyte salts are dissolved is impregnated in the separator 23. As the electrolyte salts, a first light metal salt having a B-O bond such as difluoro [oxalato-O,O'] lithium borate, and a second light metal salt having a P-O bond such as tetrafluoro [oxalato-O,O'] lithium phosphate or difluoro bis [oxalato-O,O'] lithium phosphate are used. Decomposition reaction of the electrolyte is suppressed by formation of stable coatings, and reaction of deposited lithium metal with the electrolyte can be prevented. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提高长期充放电循环特性等电池特性。 解决方案：该电池设置有卷绕电极体20，其中正极21和负极22经由隔膜23卷绕。负极22的容量包括通过存储/释放Li的容量分量和容量 通过存储/释放Li金属的组分，并且由它们的和表示。 其中溶解有溶剂和电解质盐的电解液浸渍在隔膜23中。作为电解质盐，具有BO键的第一轻金属盐如二氟[草酸-O，O']硼酸锂和第二 使用具有PO键的轻金属盐，例如四氟[草酸-O，O']磷酸锂或二氟双[草酰氧基，O']磷酸锂。 通过形成稳定的涂层来抑制电解质的分解反应，并且可以防止沉积的锂金属与电解质的反应。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2004266248A

公开(公告)日：2004-09-24

申请号：JP2003349106

申请日：2003-10-08

Applicant: Sony Corp ,  ソニー株式会社

Inventor： FUJITA SHIGERU

IPC: H01L27/108 ,  H01L21/8242

Abstract: PROBLEM TO BE SOLVED: To provide a method for forming a capacitor and a method for manufacturing a semiconductor device capable of increasing the capacitance of a capacitor and reducing the number of processes.
SOLUTION: In a method for forming a capacitor with a lower electrode, a capacitor insulating film 24, and an upper electrode laminated from the underlayer in order, and a method for manufacturing a semiconductor device having such capacitor, there have a process of forming a first silicon film 21 on a substrate 11, a process of adsorbing impurities onto the surface of the first silicon film 21 to form an impurity layer 22, a process of forming a second silicon film 23 on the surface of the impurity layer 22, a process of forming a second silicon film 23 into hemispherical grains, and a process of diffusing the impurities to the first silicon film 21 and the second silicon film 23 that is formed into hemispherical grains from the impurity layer 22 to form the lower electrode by performing thermal treatment.
COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP2003151627A

公开(公告)日：2003-05-23

申请号：JP2001345222

申请日：2001-11-09

Applicant: SONY CORP

Inventor： ADACHI MOMOE ,  AKASHI HIROYUKI ,  FUJITA SHIGERU

IPC: H01M4/36 ,  H01M4/40 ,  H01M6/10 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/40 ,  H01M4/02 ,  H01M4/58

Abstract: PROBLEM TO BE SOLVED: To provide a battery capable of enhancing battery characteristics such as discharging capacity and charging and discharging cycle characteristics by improving the chemical stability of the electrolyte. SOLUTION: This battery has a wound electrode body 20 formed by winding a belt-shaped positive electrode 21 and a belt-shaped negative electrode 22 through a separator 23. Lithium metal is deposited on the negative electrode 22 on the way of charging, and the capacity of the negative electrode 22 is expressed by the sum of the capacity component by absorption/desorption and the capacity component by deposition/desolution. The separator 23 is impregnated with an electrolyte prepared by dissolving a lithium salt in a solvent. Vinylethylene carbonate or divinylethylene carbonate is added to the electrolyte, and thereby, chemical stability is enhanced.

公开(公告)号：JP2002270230A

公开(公告)日：2002-09-20

申请号：JP2001069218

申请日：2001-03-12

Applicant: SONY CORP

Inventor： AKASHI HIROYUKI ,  FUJITA SHIGERU

IPC: H01M10/05 ,  H01M4/38 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/40 ,  H01M4/02 ,  H01M4/58

Abstract: PROBLEM TO BE SOLVED: To provide a battery in which chemical stability of the electrolyte is improved and the battery characteristics can be improved. SOLUTION: The battery comprises a wound electrode body 20 in which a band-shaped positive electrode 21 and negative electrode 22 are wound through a separator 23 in between. In the negative electrode 22, a lithium metal is precipitated in the course of charging, and the capacity of the negative electrode 22 is expressed as a sum of the capacity content by occlusion and desorption of lithium and the capacity content by precipitation and dissolution of the lithium metal. In the separator 23, an electrolytic solution that is an electrolyte is impregnated. The electrolytic solution contains as an additive a compound having the sulfite structure such as ethylene-sulfite together with a solvent and lithium salt. Thereby, the chemical stability of the electrolytic solution is improved and side reaction is suppressed, and the charge and discharge cycle characteristics is improved.

公开(公告)号：JP2002270160A

公开(公告)日：2002-09-20

申请号：JP2001073060

申请日：2001-03-14

Applicant: SONY CORP

Inventor： AKASHI HIROYUKI ,  SHIBAMOTO GORO ,  ADACHI MOMOE ,  FUJITA SHIGERU

IPC: H01M10/05 ,  H01M4/02 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/48 ,  H01M4/58 ,  H01M10/40

Abstract: PROBLEM TO BE SOLVED: To provide a negative electrode and a battery optimizing the specific surface area of a negative electrode material capable of storing/desorbing lithium, and improving a property. SOLUTION: A wound electrode element 20 wherein a strip-shaped positive electrode 21 and a negative electrode 22 are wound through a separator 23 is provided. The separator 23 is impregnated with an electrolytic solution. The negative electrode 22 includes the negative electrode material capable of storing/ desorbing lithium, and on the negative electrode 22, lithium metal is deposited halfway through charging. Namely, the capacity of the negative electrode 22 is expressed by the sum of capacitive component due to storing/desorbing of lithium and capacitive component due to depositing/fusing of lithium metal. The specific surface area of the negative electrode material capable of storing/ desorbing lithium is not more than 5.0 m /g. Therefore, a contact area between the negative electrode material and the electrolytic solution can be made to have a suitable size, and abrupt deterioration in energy density can be suppressed.

公开(公告)号：JP2002270159A

公开(公告)日：2002-09-20

申请号：JP2001067350

申请日：2001-03-09

Applicant: SONY CORP

Inventor： FUJITA SHIGERU ,  AKASHI HIROYUKI ,  ADACHI MOMOE ,  SHIBAMOTO GORO

IPC: H01M10/05 ,  H01M4/02 ,  H01M4/36 ,  H01M4/40 ,  H01M4/587 ,  H01M4/58 ,  H01M10/40

Abstract: PROBLEM TO BE SOLVED: To provide a battery capable of improving adhering performance between negative electrode materials, and enhancing a property. SOLUTION: A wound electrode element 20 wherein a strip-shaped positive electrode 21 and negative electrode 22 are wound through a separator 23 is provided. On the negative electrode 22, lithium metal is deposited halfway through charging, and the capacity of the negative electrode 22 is expressed by the sum of capacitive component due to storing/desorbing of lithium and capacitive component due to depositing/fusing of lithium metal. The negative electrode 22 includes graphite and hardly graphitized carbon as a negative electrode material capable of storing/desorbing lithium. Thereby, volume change during charging/discharging is decreased, and adhering performance between the negative electrode materials, so that an excellent charging/discharging cycle property can be obtained. A hardly graphitized carbon content in the negative electrode material capable of storing/desorbing lithium is preferably from 3 to 60 percent by mass.

公开(公告)号：JP2002270155A

公开(公告)日：2002-09-20

申请号：JP2001073185

申请日：2001-03-14

Applicant: SONY CORP

Inventor： AKASHI HIROYUKI ,  SHIBAMOTO GORO ,  ADACHI MOMOE ,  FUJITA SHIGERU

IPC: H01M10/05 ,  H01M4/13 ,  H01M4/36 ,  H01M4/40 ,  H01M4/62 ,  H01M4/02 ,  H01M4/58 ,  H01M10/40

Abstract: PROBLEM TO BE SOLVED: To provide a positive electrode capable of improving a load property, and a battery using the positive electrode. SOLUTION: A wound electrode element 20 wherein a strip-shaped positive electrode 21 and a negative electrode 22 are wound through a separator 23 is provided. On the negative electrode 22, lithium metal is deposited halfway through charging, and the capacity of the negative electrode 22 is expressed by the sum of capacitive component due to storing/desorbing of lithium and capacitive component due to depositing/fusing of lithium metal. The positive electrode 21 includes a positive electrode material capable of storing/desorbing the lithium as a positive electrode active substance, and includes conductive material showing no electrode activity. Therefore, output density is increased, so that sufficiently high energy density can be obtained even under relatively high discharge current condition, and a load property is improved.

公开(公告)号：JP2002134493A

公开(公告)日：2002-05-10

申请号：JP2000325095

申请日：2000-10-25

Applicant: SONY CORP

Inventor： FUJITA SHIGERU ,  YAMAGUCHI NOBUYUKI

IPC: H01L21/8247 ,  H01L21/31 ,  H01L21/8242 ,  H01L21/8246 ,  H01L27/105 ,  H01L27/108 ,  H01L29/788 ,  H01L29/792

Abstract: PROBLEM TO BE SOLVED: To provide a film-forming-time deriving method and a film-forming method whereby the reduction of the machine downtime of a CVD apparatus can be achieved, in film formings on wafers having large surface areas. SOLUTION: When subjecting to film formings by using a batch-type CVD apparatus on wafers having irregularities on their surfaces, by filling into the CVD apparatus the first and second prescribed numbers of product-wafers, they are subjected to respective experimental film-forming processings, so as to obtain linear equations (1), (2) of Y=an1X+bn1 and Y=an2X +bn2, where X and Y represent respectively a film-forming time and a film thickness. After the state of the CVD apparatus has been changed by filling into the CVD apparatus the first prescribed number of product-wafers, they are so subjected to experimental film-forming processings as to obtain linear equation (3) of Y=an11X+bn11, where X and Y represent respectively the film-forming time and the film thickness for this case. By using the respective constants an1, bn1, an2, bn2, an11, and bn11 of the linear equations (1)-(3), there is determined linear equation (4) of Y=(an2/an1)×an11×X+(bn2/bn1)×bn11, which represents the relation of the film thickness Y to the film forming time X for the second prescribed number of product-wafers, obtained after the state of the CVD apparatus has been changed. As a result, the film-forming time, whereat the film thickness reaches the predetermined one for this case, is obtained.

公开(公告)号：JP2001148577A

公开(公告)日：2001-05-29

申请号：JP32877999

申请日：1999-11-18

Applicant: SONY CORP

Inventor： NODA KAZUHIRO ,  FUJITA SHIGERU ,  SEKAI KOJI

IPC: G06F1/26 ,  G06F15/02 ,  G11B33/12 ,  H05K5/02

Abstract: PROBLEM TO BE SOLVED: To thin an electronic unit, using a battery having a satisfactory space factor. SOLUTION: A casing 1, formed into a prescribed shape and a polymer battery 2 which has the same shape as a casing 1 and is installed close on the side of an inner face 1a in the casing 1. Same processes are applied to the casing 1 and the polymer battery 2 in the shape process, and they are jointed integrally, so that an electronic unit is manufactured.

公开(公告)号：JP2000156350A

公开(公告)日：2000-06-06

申请号：JP32978498

申请日：1998-11-19

Applicant: SONY CORP

Inventor： FUJITA SHIGERU

IPC: H01L21/205 ,  H01L21/285 ,  H01L21/8242 ,  H01L27/108

Abstract: PROBLEM TO BE SOLVED: To provide a hatch-type vertical HSG-Si forming apparatus with uniform selectivity of seeding in a reactive furnace for forming good HSG-Si. SOLUTION: An apparatus 50 for making a silicon film in an HSG state includes a vertical reactive tube 22, a process gas feeding system 52 connected to one of upper and lower ends of the reactive tube 22 for feeding a process gas to the reactive tube 22, and a vacuum suction system 30 connected to the other end of the reactive tube 22 for reducing the pressure of the reactive tube 22. The process gas system 52 includes each opening end 58 in vertically different regions in the reactive tube 22, and a plurality of process gas feeding tubes 56A to 56D for causing the process gas to flow out from the opening end. In this way the process gas is made to flow into the regions vertically different to each other, and the partial pressure is held uniformly, so the selectivity of seeding in the vertical direction of the reactive tube 22 can be held uniformly, and uniform HSg-Si can be formed.