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Merck
모든 사진(2)

주요 문서

934739

Sigma-Aldrich

Sodium manganese oxide

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

동의어(들):

Manganese oxide cathode, Sodium-ion battery cathode

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About This Item

실험식(Hill 표기법):
Na0.44MnO2
Molecular Weight:
97.05
UNSPSC 코드:
26111700
NACRES:
NA.21

material

aluminum substrate

Quality Level

Grade

battery grade

설명

2.5 V vs Na/Na+
Application: Battery Manufacturing

분석

≥98%

양식

sheet

구성

Active material loading 8.6 mg/cm2 ± 5%

환경친화적 대안 제품 특성

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

sustainability

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크기

5 in. × 10 in.

두께

16 μm , aluminum current collector
25-50 μm
72-80 μm , excluding current collector

입자 크기

1-2 μm (active material characteristic)

용량

0.90 mAh/cm2±5 % (Areal capacity)

응용 분야

battery manufacturing

환경친화적 대안 카테고리

일반 설명

Sodium manganese oxide (Na0.44MnO2) electrode sheet is a ready-to-use cathode for sodium-ion battery research. The film is 5 inches x 10 inches (127 mm x 254 mm) and cast single-sided on a 16 µm thick aluminum foil current collector. The composition is 90% sodium manganese oxide (Na0.44MnO2), 5% Poly(vinylidene fluoride) [PVDF] and 5% carbon black. The active material is tunnel-type sodium manganese oxide, which offers fast sodium ionic conductivity and high chemical stability. PVDF acts as binder due to its thermal and electrochemical stability and carbon black boosts the electronic conductivity.
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애플리케이션

The primary application of our sodium manganese oxide (Na0.44MnO2) electrode sheet is as a cathode for sodium-ion battery research. Manganese-based compounds are widely investigated as cathode materials for rechargeable Na-ion batteries and, in particular, tunnel-type sodium manganese oxide (Na0.44MnO2) is a promising cathode material due to its high capacity, low cost, and non-toxicity. In addition, its unique tunnel structure facilitates excellent cycle and rate performance. For example, our sodium manganese oxide showed a large capacity (experimentally 110 mAh g−1 at 0.1C), even at fast charge rates (80 mAh g-1 at 5C, 72%). In addition, Na0.44MnO2 shows excellent stability with a variety of electrolytes including NaClO4 and NaPF6-based organic electrolytes.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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