Technology is constantly developing, and there are 5 battery technologies
that may replace lithium battery packs in the future. As the heart of new energy
vehicles, lithium battery packs have always been the lifeblood of the new energy
vehicle industry. Competition in the battery industry is fierce, and mastering
core technology is still the key. With the widespread use of new energy
vehicles, higher requirements have been put forward for lithium battery
performance and usage requirements.
Although lithium battery packs are still considered to be the mainstream
battery technology in the next decade, new battery technologies are also
gradually developing. Today, the editor of Cuneng Electric will make a
prediction: We are optimistic about the five battery technologies that may
replace lithium battery packs in the future!
1. Contains lithium battery
In fact, lithium-containing batteries are lithium-air batteries and
lithium-sulfur batteries, but their technology is not yet ready, the actual
application performance has yet to be tested, and whether its performance is
better than that of lithium-ion batteries has not yet been confirmed.
2. Next generation lithium-ion battery
In order to increase the energy density of lithium battery packs and reduce
the number of raw materials required, researchers are currently improving the
performance of existing lithium-ion batteries by enhancing or replacing the
anode and cathode materials of the battery. According to the International
Energy Agency's 2018 Electric Vehicle Outlook report, the new generation of
lithium-ion batteries will achieve mass production around 2025.
3. No lithium battery
Various research groups are trying to think outside the box of lithium
battery packs, trying various methods such as graphene supercapacitors and
sodium batteries. However, there are doubts whether such batteries can compete
with lithium-ion batteries, which are lower cost and already have a good
start.
4. Solid-state battery
Solid-state lithium-ion batteries mean that all components in the battery
structure exist in solid form, replacing the liquid electrolyte and separator of
traditional lithium-ion batteries with solid electrolytes.
Researchers have improved the degree of autonomous driving and extended the
range of electric vehicles by replacing the liquid electrolyte in current
lithium-ion batteries with a solid electrolyte. Solid-state lithium-ion
batteries will have higher energy density and charge faster, while also being
safer, more reliable, and longer-lasting.
5. Hydrogen fuel cell
Hydrogen fuel cells use the chemical element hydrogen to create batteries
that store energy. This kind of battery is pollution-free, noiseless and highly
efficient, and is widely used in the aerospace field and automotive energy.
The most representative lithium-free energy storage technology is the
hydrogen fuel cell led by Hyundai, Toyota and Honda. However, expensive hydrogen
fuel cell materials have hindered the development of this technology.
Factors promoting the development of lithium battery pack technology:
1. The global competition for power batteries is becoming increasingly
fierce. The most important thing is to gather talents and maintain sufficient
R&D investment. Lithium battery pack companies must also cooperate with
universities and research institutions with state support to carry out basic
research on power batteries.
2. We need to jointly cope with challenges and collaborate with upstream
and downstream enterprises. Allow power battery manufacturers to participate in
R&D and design from the front end with vehicle manufacturers, allowing
battery manufacturers to fully understand the supporting needs of OEMs, thereby
avoiding the cost increase caused by fighting on their own and opaque
information, and jointly promote the development of electric vehicle industry
technology Iterate and evolve.
3. Core technology, cost control and investment scale have become key
factors in the development of lithium battery packs. How to continuously improve
quality and technology is the key. The entire power battery industry has entered
the fast lane of development, the competitive landscape of the global power
battery industry is being reshaped, and industry reshuffle is accelerating.
Therefore, if companies want to follow the footsteps of new energy vehicles,
they must accelerate technological development and research and development,
while controlling costs. Currently, lithium battery packs are still the
mainstream product in the market.
Although these five types may replace lithium battery packs in the future,
this is not a matter of time. After all, lithium battery packs have many
advantages. For example, energy storage electrical lithium battery packs have
the following characteristics:
●Energy density: At the same volume, the energy density of lithium
batteries is 3 to 4 times that of lead-acid batteries. The lithium battery pack
is smaller and lighter.
●Long life: Lead-acid batteries have high requirements on ambient
temperature. Under harsh ambient temperatures, the service life is no more than
5 years. The lithium iron phosphate battery pack has a longer service life under
the same conditions.
●Excellent high temperature performance: The thermal peak of lithium iron
phosphate battery can reach 350~500℃.
●Fast charging: It can charge and discharge quickly at a high current of
2C. The battery can be fully charged within 40 minutes with a special charger at
1.5C. The starting current can reach 2C.
●Safe and reliable: Safety comes from the stability of the cathode material
and reliable safety design. Lithium iron phosphate has undergone strict safety
tests and will not explode even in violent collisions.
●Green and environmentally friendly: It complies with European RoHS
regulations and is a green and environmentally friendly battery. Lithium
batteries do not contain toxic substances such as lead, mercury, and
cadmium.
●No memory effect: No matter what state the lithium iron phosphate battery
is in, it can be used at any time. There is no need to discharge it completely
before charging.
●Good performance: strong power, fast charging and discharging.
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