Solid state battery maker Prologium enters electric car market
12 September 2017  Aaron Lee, Taipei; Joseph Tsai

Taiwan-based solid-state battery maker Prologium Technology is currently
talking with several car vendors about supplying batteries for their
electric cars and will begin mass producing a lithium ceramic battery (LCB)
for a client at the end of 2017, according to the company.

Some market watchers believe the client is a China-based car vendor, but
Prologium declined to comment on matters about its clients.

China is currently the largest electric car market worldwide and over 40% of
worldwide electric car shipments were supplied to China in 2016. The scale
was twice as large as that of the US, according to figures from
International Energy Agency (IEA).

While Tesla has a strong leadership in the electric car market, other
vendors including Japan-based Toyota and Korea-based Hyundai, are also
aggressively developing solid-state battery electric cars. Toyota is
expected to release vehicles powered by such batteries in 2022.

Facing fierce competitions, China-based car vendors have been eagerly
looking to expand their presence in the market. So far, Prologium's
solid-state battery has already been validated by half of its potential
clients. One of the clients has already signed a contract and is expected to
release its solid-state battery-based electric car in early 2018.

Since lithium batteries face development limitations for adoption by
electric cars and have often been marred by reports of fire hazards, car
vendors have been seeking alternative products to enhance the safety, and
solid-state batteries are one of their options.

Although Tesla is adopting lithium polymer batteries for its vehicles, 70%
of the components in the battery module are for protection mechanisms and
the battery management system, meaning the adoption of solid-state batteries
is able to improve the safety and cut down the number of protection
components to allow efficiency in assembly.

However, solid-state batteries' high prices due to its limited economies of
scale will still prompt most vendors to choose lithium batteries to save
Solid-state LCB (Lithium Ceramic Battery)

LCB adapts solid-state electrolyte instead of liquid/ jelly ones so there is
no leakage. Even it’s damaged by folding, hitting, penetrating, or burning,
LCB doesn’t fire nor explore.
All rechargeable Li batteries need the “protection circuit” to control the
voltage and to prevent from exploring and irreversible damaging.
But LCB is ultra-safe and still works after abnormal charging without the
protection circuit (no shortage, no fire, and no explosion).
FLCB, adopt FPC (Flexible Printed Circuit) as substrate of LCB, is only
0.38mm and able to do dynamic bending.
PLCB, adopt Al-foil pouch as package of LCB, is only 1-2mm with high
ELCB, adopt Lithium Metal as anode of LCB, is 810Wh/L and under developing
now ...

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