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Merck
모든 사진(2)

주요 문서

934666

Sigma-Aldrich

Hard carbon

greener alternative

electrode sheet, copper substrate, size 5 in. × 10 in.

동의어(들):

Hard carbon anode, Sodium-ion anode

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About This Item

UNSPSC 코드:
26111700
NACRES:
NA.21

material

copper substrate (current collector)

Quality Level

Grade

battery grade

설명

Description/Nominal Voltage: 0.1 V vs Li/Li+

분석

≥98% (active material characteristic)

구성

Active material loading 10.21 mg/cm2 ± 5%

환경친화적 대안 제품 특성

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

시트 크기

10 μm , copper current collector
45 μm , excluding current collector
5 in. × 10 in.

크기

5 in. × 10 in.

평균 부품 크기

5 μm (active material characteristic)

용량

2.4 mAh/cm2±5 % (Areal)
290 mAh/g±5 % (Experimental Lithiation)

응용 분야

battery manufacturing

환경친화적 대안 카테고리

일반 설명

Hard carbon electrode sheet is an electrode film of activated carbon cast on copper. Hard carbon is a low-density material with extremely high microporosity. Standard electrode sheets are 5 inches x 10 inches (127 mm x 254 mm) and cast single-sided on 10 µm thick copper foil current collectors. The composition of the electrode film is 90% graphite, 5% poly(vinylidene fluoride) [PVDF] and 5% Super P. PVDF acts as binder due to its thermal and electrochemical stability and strong adhesive properties.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Click here for more information.

애플리케이션

Our hard carbon electrode sheet is a ready-to-use anode for alkali metal ion batteries such as sodium ion batteries (SIBs), lithium ion batteries (LIBs), and potassium ion batteries. Hard carbon is the anode of choice for sodium-ion batteries, where the use of graphite as an anode in SIBs is inhibited by the inability of sodium ions to form a binary graphite intercalation compound. Hard carbon offers a low insertion/deinsertion potential (~0.1 V Na/Na+) ideal for achieving high voltages. With an experimental capacity of 240 mAh/g and areal capacity of 2.32 mAh/cm2, our electrodes demonstrate outstanding electrochemical performance.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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문서 라이브러리 방문

Hard carbons for sodium-ion batteries: Structure, analysis, sustainability, and electrochemistry
Xinwei et al.
Materials Today, 23, 87-104 (2019)
High-capacity activated carbon anode material for lithium-ion batteries prepared from rice husk by a facile method
Kaifeng et al.
Diamond and Related Materials, 86, 139 - 145 (2018)

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