11 (6) Flashcards

(7 cards)

1
Q

What are transition metal compounds utilized as anodes in LIBs?

A
  • Oxides
  • Phosphides
  • Sulphides
  • Nitrides

Transition metals include Fe, Co, Cu, Mn, Ni, and various non-metals like O, P, S, and N.

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2
Q

What is the reversible capacity range of anodes based on transition metal compounds?

A

500-1000 mAhg-1

This high capacity is due to the participation of a high number of electrons in the conversion reactions.

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3
Q

Fill in the blank: The electrochemical conversion reaction can be described as M,Ny + zLi* + ze → _______ + ×M.

A

Li,Ny

Here, M represents transition metals like Fe, Co, Cu, Mn, Ni, and N represents non-metals like O, P, S, and N.

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4
Q

What are the types of materials mentioned for anodes and cathodes?

A
  • Oxides
  • Phosphides
  • Fluorides
  • Chalcogenides

These materials are used in various configurations for lithium-ion batteries.

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5
Q

What is the theoretical capacity range for lithium metal anodes?

A

High-energy batteries

Lithium metal anodes present both opportunities and challenges for battery technology.

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6
Q

True or false: Intercalation and conversion are types of anodes in lithium-ion batteries.

A

TRUE

Both intercalation and conversion mechanisms are utilized in the design of anodes.

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7
Q

What are the specific capacities for various materials mentioned?

A
  • LTO
  • Sn
  • Ge
  • Si

These materials have varying specific capacities measured in mAh g.

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