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Good post.. Any company that claims to be environmentally...

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andrew78m

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13/12/16

18:13

Post #: 21309683
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Originally posted by Sharmen ↑

Hmm?

http://batteryuniversity.com/learn/article/bu_309_graphite

Graphite comes in two forms: natural graphite from mines and synthetic graphite from petroleum coke. Both types are used for Li-ion anode material with 55 percent gravitating towards synthetic and the balance to natural graphite.

Manufacturers preferred synthetic graphite because of its superior consistency and purity to natural graphite. This is changing and with modern chemical purification processes and thermal treatment, natural graphite achieves a purity of 99.9 percent compared to 99.0 percent for the synthetic equivalent.

Purified natural flake graphite has a higher crystalline structure and offers better electrical and thermal conductivity than synthetic material. Switching to natural graphite will lower production cost with same or better Li-ion performance. Synthetic graphite for Li-ion sells for around US $10,000 per ton whereas spherical graphite made from natural flake sells for US $7,000 (2015 prices). Unprocessed natural graphite is much cheaper, and besides cost, natural graphite is more environmentally friendly than synthetic graphite; it also forms the base for graphene, a scientist’s dream

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Good post.. Any company that claims to be environmentally friendly by offering a Lithium-Ion battery IMO has to use natural graphite, otherwise it opens up avenues for their competitors to rubbish their product.

I cannot see Tesla using the synthetic product for the above reasons, so long as natural is available and achieves the qualities required. This in turn puts direct pressure on the competition (Western), minus the Chinese perhaps

Natural, is the natural option!

Last edited by andrew78m: 13/12/16

VRC Price at posting: 6.4¢ Sentiment: Hold Disclosure: Held
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