KR970018808A - Ni-MH battery negative electrode and its manufacturing method - Google Patents

Ni-MH battery negative electrode and its manufacturing method Download PDF

Info

Publication number
KR970018808A
KR970018808A KR1019950028757A KR19950028757A KR970018808A KR 970018808 A KR970018808 A KR 970018808A KR 1019950028757 A KR1019950028757 A KR 1019950028757A KR 19950028757 A KR19950028757 A KR 19950028757A KR 970018808 A KR970018808 A KR 970018808A
Authority
KR
South Korea
Prior art keywords
powder
hydrogen
coating
paste
hydrogen absorbing
Prior art date
Application number
KR1019950028757A
Other languages
Korean (ko)
Inventor
한경호
김형수
Original Assignee
윤종용
삼성전관 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 윤종용, 삼성전관 주식회사 filed Critical 윤종용
Priority to KR1019950028757A priority Critical patent/KR970018808A/en
Publication of KR970018808A publication Critical patent/KR970018808A/en

Links

Landscapes

  • Battery Electrode And Active Subsutance (AREA)

Abstract

본 발명은 음극 활물질을 MH로하고, 양극활물질을 Ni(OH)2로 하고, 전해액으로 KOH 수용액을 사용하는 니켈 수소 전지에 있어서, 초기 활성화가 용이하면서도 동시에 전지의 고용량화를 도모할 목적에서 다공체 코어(1), 코어(1)의 표면상에 입자가 큰 수소 흡장 금속 분말의 제1코팅증(2) 및 이 제2코팅부위에 보다 작은 크기의 수소 흡장 합금 분말 코팅 층(3)의 3성분 구조로 형성된 니켈 수소 전지 음극 전극을 제공한다.The present invention relates to a nickel-hydrogen battery in which a negative electrode active material is MH, a positive electrode active material is Ni (OH) 2 , and a KOH aqueous solution is used as an electrolyte, and the porous core is intended for easy initial activation and at the same time increasing the capacity of the battery. (1), three components of the first coating mark (2) of the hydrogen- occluded metal powder having large particles on the surface of the core (1) and the hydrogen- occluded alloy powder coating layer (3) of smaller size on the second coating portion. Provided is a nickel hydrogen battery negative electrode formed of a structure.

Description

니켈 수소 전지 음극 전극 및 그 제조 방법Ni-MH battery negative electrode and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 전극의 구조를 나타낸 단면도이며,1 is a cross-sectional view showing the structure of an electrode according to the present invention,

제3도는 제1도의 구조를 갖는 전극을 제조하기 위한 방법을 도식한 공정도이다.3 is a process diagram illustrating a method for producing an electrode having the structure of FIG.

Claims (12)

1)Ni-발포체(foam), -섬유(fiber), 또는 그리드(grid)으로 이루어진 군에서 선택되어 지는 형태로 형성된 코어부, 2)평균 입경이 20 내지 120㎛의 큰 입자의 수소 흡장 금속 분말로 구성되어, 코어부 상부 표면에 형성되는 제1코팅부, 3)평균 입경 20㎛이하의 작은 입자의 수소 흡장 분말으로 구성되어, 제1코팅부 위에 형성되는 제2코팅부로, 구성되어 지는 구조로 된 수소 전지 음극 전극.1) a core part formed in a form selected from the group consisting of Ni-foam, -fiber, or grid; 2) hydrogen-containing metal powder of large particles having an average particle diameter of 20 to 120 µm. A first coating part formed on the upper surface of the core part, and 3) a second coating part formed on the first coating part, consisting of hydrogen-containing powder of small particles having an average particle diameter of 20 μm or less. Hydrogen battery negative electrode. 제1항에 있어서, 상기한 코어부 (1)은 카르보닐니켈 분말을 성형, 소결하여 제조한 니켈-발포체(foam), -섬유(fiber), 또는 그리드(grid)의 한 형태로 이루어 짐을 특징으로 하는 전극.The method of claim 1, wherein the core portion (1) is characterized in that it is made of a form of nickel-foam, -fiber, or grid prepared by molding and sintering carbonyl nickel powder. Electrode. 제1항 또는 제2항에 있어서, 제1코팅부(1)은 평균 입경 20 내지 120㎛의 MmNi5의 Ni를 Al, Mn, 또는 Co로 소정량 치환시킨 미쉬메탈계열합금의 분말으로 이루어지는 것임을 특징으로 하는 전극.The method of claim 1 or 2, wherein the first coating portion (1) is made of a powder of a mismetal-based alloy in which a predetermined amount of Ni of MmNi 5 having an average particle diameter of 20 to 120 µm is substituted with Al, Mn, or Co. An electrode. 제3항에 있어서, 제1코팅부 (1)은 0.6 내지 0.7㎜의 두께로 형성되는 것임을 특징으로 하는 전극.4. An electrode according to claim 3, wherein the first coating portion (1) is formed to a thickness of 0.6 to 0.7 mm. 제1항 /또는 제2항에 있어서, 제2코팅부 (3)은 20㎛이하의 평균 입경을 갖는 AB2(A는 Ti, Mg 또는 Zr이며, B는 Mn, Cr, V, Fe, Co 또는 Ni이다) 금속 분말으로 이루어 짐을 특징으로 하는 전극.The second coating portion 3 is AB 2 (A is Ti, Mg or Zr, and B is Mn, Cr, V, Fe, Co). Or Ni)). 제5항에 있어서, 상기한 제2코팅부는 0.1 내지 0.2㎜의 두께로 제1코팅부 (1)의 위에 형성되는 것임을 특징으로 하는 전극.6. An electrode according to claim 5, wherein the second coating part is formed on the first coating part (1) with a thickness of 0.1 to 0.2 mm. 1)Ni-발포체(foam), -섬유(fiber), 또는 그리드(grid)으로 이루어진 군에서 선택되어지는 다공체의 표면에 입자의 크기가 큰 수소 흡장 분말 페이스트를 도포하고, 이어서, 2)입자의 크기가 작은 수소 흡장 분말 페이스트를 도포하여 건조시키는 것으로 행하여 짐을 특징으로 하는, Ni-발포체(foam), -섬유(fiber), 또는 그리드(grid)으로 이루어지는 군에서 선택되어 지는 형태로 형성된 코어부, 평균 입경이 20 내지 120㎛의 큰 입자의 수소 흡장 금속 분말으로 구성되어, 코어부 상부 표면에 형성되는 제1코팅부, 및 평균 입경 20㎛이하의 작은 입자의 수소 흡장 분말으로 구성되어, 제1코팅부 위에 형성되는 제2코팅부로 구성되어 지는 구조로 된 수소 전지 음극 전극의 제조 방법.1) apply a hydrogen absorbing powder paste having a large particle size to the surface of the porous body selected from the group consisting of Ni-foam, -fiber, or grid, and then 2) A core portion formed in a form selected from the group consisting of Ni-foam, -fiber, or grid, characterized in that it is carried out by applying and drying a small hydrogen- occluded powder paste, Consists of a large particle hydrogen absorbing metal powder having an average particle diameter of 20 to 120 µm, a first coating portion formed on the upper surface of the core portion, and a hydrogen absorbing powder of small particles having an average particle diameter of 20 µm or less. A method of manufacturing a hydrogen battery negative electrode having a structure composed of a second coating portion formed on the coating portion. 제7항에 있어서, Ni-발포체(foam), -섬유(fiber), 또는 그리드(grid)으로 이루어진 군에서 선택되어지는 다공체는 카르보닐니켈 분말을 성형, 소결하여 제조함을 특징으로 하는 방법.The method of claim 7, wherein the porous body selected from the group consisting of Ni-foam, -fiber, or grid is produced by molding and sintering carbonyl nickel powder. 제7항에 있어서, 입자의 크기가 큰 수소 저장 합금의 페이스트는 평균 입경 20 내지 120㎛의 MmNi5, Mm은 Ce 약 50%, La 약 30%, Nd 약 15%를 주성분으로 하는 합금이다, 의 Ni를 Al, Mn, Co로 소정량 치환한 소위 미쉬메탈계열 합금의 분말을 카본 블랙, 니켈, 또는 CuO, Cu2O등의 도전성 물질과 함께 바인더와 혼합하는 것에 의해 제조되어짐을 특징으로 하는 방법.The paste of the hydrogen storage alloy having a large particle size is MmNi 5 having an average particle diameter of 20 to 120 µm, and Mm is an alloy composed mainly of about 50% Ce, about 30% La, and about 15% Nd. Characterized in that it is prepared by mixing a powder of a so-called mischmetal-based alloy in which Ni is substituted with Al, Mn, and Co with a binder with a conductive material such as carbon black, nickel, or CuO, Cu 2 O. Way. 제7항에 있어서, 크기가 작은 수소 흡장 합금 분말의 페이스트는 평균 입경이 20㎛이하의 작은 입경을 갖는 AB2(A는 Ti, Mg, 또는 Zr이며, B는 Cr, Mn, V, Fe 또는 Ni이다. )로 나타내어 지는 라베스상 합금 분말의 페이스트임을 특징으로 하는 방법.The paste of the hydrogen absorbing alloy powder having a small size is AB 2 (A is Ti, Mg, or Zr, and A is Cr, Mn, V, Fe or Ni. The method of claim 1, characterized in that the paste of the Laves phase alloy powder represented by. 제7항에 있어서, 입자가 작은 수소 흡장 합금 분말 페이스트의 도포는 입경이 큰 수소 흡장 합금 분말 페이스트 코팅층이 건조된 상태에서 행함을 특징으로 하는 방법.8. The method according to claim 7, wherein the application of the hydrogen absorbing alloy powder paste having a small particle size is performed while the hydrogen absorbing alloy powder paste coating layer having a large particle size is dried. 제7항에 있어서, 입자가 작은 수소 흡장 합금 분말 페이스트의 도포는 입경이 큰 수소 흡장 합금 분말 페이스트 코팅층이 미건조된 상태에서 행함을 특징으로 하는 방법.8. The method of claim 7, wherein the application of the hydrogen absorbing alloy powder paste having a small particle size is performed in a state in which the hydrogen absorbing alloy powder paste coating layer having a large particle size is undried. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950028757A 1995-09-04 1995-09-04 Ni-MH battery negative electrode and its manufacturing method KR970018808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950028757A KR970018808A (en) 1995-09-04 1995-09-04 Ni-MH battery negative electrode and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950028757A KR970018808A (en) 1995-09-04 1995-09-04 Ni-MH battery negative electrode and its manufacturing method

Publications (1)

Publication Number Publication Date
KR970018808A true KR970018808A (en) 1997-04-30

Family

ID=66597230

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950028757A KR970018808A (en) 1995-09-04 1995-09-04 Ni-MH battery negative electrode and its manufacturing method

Country Status (1)

Country Link
KR (1) KR970018808A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100404934B1 (en) * 2001-11-30 2003-11-07 에너그린(주) Nickel/metal hydryde secondary battery
US11043669B2 (en) 2017-06-09 2021-06-22 Lg Chem, Ltd. Electrode and secondary battery comprising the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100404934B1 (en) * 2001-11-30 2003-11-07 에너그린(주) Nickel/metal hydryde secondary battery
US11043669B2 (en) 2017-06-09 2021-06-22 Lg Chem, Ltd. Electrode and secondary battery comprising the same

Similar Documents

Publication Publication Date Title
US6020089A (en) Electrode plate for battery
US5848351A (en) Porous metallic material having high specific surface area, method of producing the same, porous metallic plate material and electrode for alkaline secondary battery
JPH07130370A (en) Coating type electrode and manufacture thereof
JP4678130B2 (en) Sealed nickel metal hydride storage battery and its manufacturing method
KR20020064193A (en) Manufacturing method for sintered substrate of alkaline storage battery
JP2655810B2 (en) Manufacturing method of alkaline secondary battery and catalytic electrode body
JP2947284B2 (en) Non-sintered positive electrode for alkaline storage battery and alkaline storage battery using the same
KR970018808A (en) Ni-MH battery negative electrode and its manufacturing method
JP2000285922A (en) Alkaline storage battery, and manufacture of its electrode
JPH03179664A (en) Hydrogen storage electrode for alkaline storage battery
JPH06181061A (en) Nickel electrode for alkaline storage battery
JPH10334899A (en) Manufacture of alkaline storage battery and its electrode
JPH06181063A (en) Hydrogen storage alloy electrode
KR970018807A (en) Nickel hydrogen battery electrode and its manufacturing method
KR100399339B1 (en) Process of Anode for Ni/MH Secondary Battery using Ni Powder with High Surface Area
AT409903B (en) Negative electrode for a metal hydride accumulator
JPH10172552A (en) Hydrogen storage alloy powder and its manufacture
JPH0589877A (en) Manufacture of negative electrode of hydrogen storage alloy
JP2000040516A (en) Alkaline secondary battery electrode substrate
JPH076765A (en) Manufacture of porous current collector for battery
JPH01130467A (en) Hydrogen occlusive alloy electrode
JPH09161807A (en) Electrode base for lithium ion battery
JPS62278753A (en) Metal oxide-hydrogen battery
JPH11329449A (en) Electrode substrate for battery and its manufacture
JP2003288901A (en) Manufacturing method of sintered substrate for alkaline storage battery

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination