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Merck
CN
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文件

342440

Sigma-Aldrich

氢氧化钴（II）

technical grade, 95%

别名:

氢氧化钴, 氢氧化钴(2+), 氢氧化钾

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About This Item

线性分子式:
Co(OH)2
CAS号:
21041-93-0
分子量:
92.95
EC 号:
244-166-4
MDL编号:
MFCD00016015
UNSPSC代码:
12352302
PubChem化学物质编号:
24861066
NACRES:
NA.23

等级

technical grade

质量水平

200

检测方案

95%

形式

powder

密度

3.597 g/mL at 25 °C (lit.)

应用

battery manufacturing

SMILES字符串

O[Co]O

InChI

1S/Co.2H2O/h;2*1H2/q+2;;/p-2

InChI key

ASKVAEGIVYSGNY-UHFFFAOYSA-L

相关类别

一般描述

Cobalt(II) hydroxide is a versatile compound with various applications in battery manufacturing, sensors, supercapacitor, and magnetic materials. It is also used as a key component in the production of rechargeable lithium-ion batteries. Additionally, it is also used in electrochemical reactions, including the oxidation of glucose and the oxygen evolution reaction (OER).

应用

Cobalt(II) hydroxide can be used in the research and development :
  • As an additive in Ni-based rechargeable alkaline batteries, including Ni-Cd and Ni-MH batteries, to improve their electrochemical performance.   
  • To synthesize reduced graphene oxide/cobalt hydroxide (rGO/Co(OH)2) composite material, which exhibits enhanced electrochemical performance for supercapacitor applications.     
  • As a electrode material for high-performance supercapacitors. It exhibits high specific capacitance and long cycling stability, making it a promising electrode material for supercapacitors.

警示用语：

Danger

危险分类

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2 - Repr. 1B - Resp. Sens. 1B - Skin Sens. 1

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

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Claudia Backes et al.
ACS nano, 13(6), 7050-7061 (2019-06-15)
Liquid phase exfoliation is a commonly used method to produce 2D nanosheets from a range of layered crystals. However, such nanosheets display broad size and thickness distributions and correlations between area and thickness, issues that limit nanosheet application potential. To

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