1,215
edits
Item:OSW6fdea5daa0374b6b96bf5a0f72e5e82a: Difference between revisions
Item:OSW6fdea5daa0374b6b96bf5a0f72e5e82a (view source)
Revision as of 11:43, 10 December 2024
, 10 December 2024no edit summary
No edit summary Tag: Metadata slot edit |
No edit summary |
||
| (3 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
This is a conceptual page intended for development purposes. The content is placeholder information that has not been verified. | |||
== Overview == | |||
Graphite is a carbon-based material that is often used as a negative electrode active material, especially in Li-ion batteries. | |||
== Properties == | |||
=== Qualitative Properties === | |||
{| class="wikitable" | |||
|- | |||
!Property!!Value | |||
|- | |||
|[[Material Type]]||Graphite | |||
|- | |||
|[[Category]]||Native Mineral | |||
|- | |||
|[[Crystal System]]||Hexagonal or Rhombohedral | |||
|- | |||
|[[Crystal Habit]]||Tabular, six-sided foliated masses; granular to compacted masses | |||
|- | |||
|[[Color]]||Iron-black to steel-gray | |||
|- | |||
|[[Luster]]||Metallic, earthy | |||
|- | |||
|[[Cleavage]]||Basal – perfect on {0001} | |||
|- | |||
|[[Fracture]]||Flaky, otherwise rough when not on cleavage | |||
|- | |||
|[[Tenacity]]||Flexible non-elastic, sectile | |||
|- | |||
|[[Density]]||2.09–2.23 g/cm³ | |||
|- | |||
|[[Conductivity]]||High electrical and thermal conductivity | |||
|- | |||
|[[Optical Properties]]||Uniaxial (-) | |||
|- | |||
|[[Solubility]]||Soluble in molten nickel, warm chlorosulfuric acid | |||
|- | |||
|[[Other Characteristics]]||Strongly anisotropic, conducts electricity, greasy feel, readily marks | |||
|} | |||
===Quantitative Properties=== | |||
{| class="wikitable" | |||
|- | |||
! Property !! Value !! Unit | |||
|- | |||
| [[Density]] || 2.09–2.23 || g/cm³ | |||
|- | |||
| [[Electrical Conductivity]] || ~10⁴–10⁵ || S/m | |||
|- | |||
| [[Thermal Conductivity]] || 100–400 || W/m·K | |||
|- | |||
| [[Specific Surface Area]] || 5–25 || m²/g | |||
|- | |||
| [[Interlayer Spacing]] || ~0.335 || nm | |||
|- | |||
| [[Mohs Hardness]] || 1–2 || Dimensionless | |||
|- | |||
| [[Melting Point (under pressure)]] || ~3650–3697 || °C | |||
|- | |||
| [[Young's Modulus]] || ~10–15 || GPa | |||
|- | |||
| [[Shear Modulus]] || ~5 || GPa | |||
|- | |||
| [[Coefficient of Thermal Expansion]] || ~-1 × 10⁻⁶ (parallel to layers) || /°C | |||
|} | |||
== Use in Battery Cells == | |||
Below is a list of battery cells that use graphite as an active material | |||
{| class="wikitable" | |||
|+ | |||
!Battery Cell | |||
!Type | |||
!IEC Code | |||
! | |||
|- | |||
|{{Template:Viewer/Link|page=Item:OSW4cc680e60cef403087c2f70908ea04a5|url=|label=INR18650-MJ1}} | |||
|Li-ion | |||
|INR18650 | |||
| | |||
|- | |||
| | |||
| | |||
| | |||
| | |||
|- | |||
| | |||
| | |||
| | |||
| | |||
|} | |||
==Links to Other Published Resources== | |||