Title: Electrochemical Energy Storage: Quick-Check

Fill in the missing words

Q: Electrochemical energy storage relies on reversible [...] reactions, where chemical energy is converted to [...] energy.

More commonly, electrochemical energy storage is called [...] storage.
A: redox; electrical; battery

Electrochemical Cell Schematic

- Cathode
- Anode
- Electrolyte
Q: 1
A: Anode
Q: 2
A: Cathode
Q: 3
A: Electrolyte

Drag the text labels into their corresponding parts in the schematic on the right.

Electrochemistry Basics - Drag Text

Drag the words into the correct boxes

Q: The electrochemical reactions occur at the [...] interface.

During discharging, at the cathode, a [...] reaction occurs.

Similarly, at the anode a [...] reaction occurs.

[...] are transported from the electrode interfaces through the electrolyte. [...] are conducted through the electrodes, through the external circuit.
A: electrode-electrolyte; reduction; oxidation; Ions; Electrons

Lead Acid Batteries - True/False Question

Q: In Lead-acid batteries, the electrodes are made of lead dioxide, and a porous lead sponge. The electrolyte is composed of a diluted sulfuric acid.
A: true

LIB True/False Question

Q: In general, Lithium-ion batteries have relatively low energy density, but overall high efficiency.
A: false

LIB - Multiple Choice

Q: The structure of a lithium-ion battery can be described as which of the following:
- Porous electrodes containing active material are immersed in an ion-conducting electrolyte solution. A solid separator material is used to inhibit any electrical conductivity.
- Porous electrodes containing active material are immersed in an ion-conducting electrolyte solution. A porous separator material is used to inhibit any electrical conductivity but allow for ion transport. (correct)
- Solid electrodes containing active material are immersed in an ion-conducting electrolyte solution. A porous separator material is used to inhibit any electrical conductivity but allow for ion transport.