-Do you understand the advantages of fuel powered lithium batteries?

Do you understand the advantages of fuel powered lithium batteries?
author:enerbyte source:本站 click284 Release date: 2023-03-21 13:54:52
abstract:
(1) Energy saving, high conversion efficiency, no need for petroleum fuels ① Except for the hydrogen produced by reforming gasoline, other fuels (methanol, hydrocarbons, etc.) do not use petroleum fuels. The overall efficiency from the engine through the drive system to the...

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(1) Energy saving, high conversion efficiency, no need for petroleum fuels

① Except for the hydrogen produced by reforming gasoline, other fuels (methanol, hydrocarbons, etc.) do not use petroleum fuels. The overall efficiency from the engine through the drive system to the wheels is about 11% for internal combustion vehicles, and the actual efficiency of FCEV fueled with hydrogen reaches 50% to 70%. Using methanol as fuel, hydrogen FCEV is produced through reforming, and the actual efficiency reaches 34%. The actual efficiency of FCEV is significantly higher than that of internal combustion vehicles.

② Internal combustion engines have the highest efficiency near their rated power, while operating at partial power output conditions rapidly reduces efficiency. The efficiency of fuel power cells can reach 60% at rated power, 70% at partial power output, and 50% to 55% at overload power output. High efficiency varies with power over a wide range, resulting in high operating efficiency at low power, which is particularly suitable for the requirements of automotive power performance The internal combustion engine has low overload capacity and is prone to flameout during overload operation. The short term overload capacity of fuel power cells can reach 200% of the rated power. It is very suitable for the dynamic performance characteristics of cars during acceleration and climbing.

Based on the above points, the energy saving of fuel power cells far exceeds that of internal combustion engines, and their stability and reliability are higher than those of internal combustion engines.

(2) Emission reaches zero pollution

Internal combustion engines emit harmful gases in exhaust gas and cause environmental pollution, which is the fatal disadvantage of internal combustion engine vehicles. Although various internal and external technical measures have been taken, they can only achieve a low pollution level. Due to the large number of internal combustion engine vehicles, even low pollution can also bring a significant impact on the Earth's environment. Water and CO2 are important generating substances for fuel cell engines using hydrogen as fuel, which belong to zero pollution. The important substances produced by fuel cell engines using hydrocarbons as fuel are water and CO2, and CO, among others, belongs to ultra-low pollution. Due to the requirements for the protection of the Earth's environment and the search for new energy sources, fuel cell engines are relatively ideal power devices and may gradually replace oil as an important energy source for vehicles.

(3) Vehicle performance is similar to that of internal combustion engine vehicles

The specific power of the internal combustion engine is about 300W/kg. Currently, the specific power of the fuel power cell body is 700W/kg, and the power density is 1000W/L. If the reformer, purifier, and accessory devices of a fuel power cell are included, the specific power is 300 to 350 W/kg, and the power density is 280 W/L. In terms of energy, fuel power cells are similar to internal combustion engines, so their power performance can reach the level of internal combustion engine vehicles.

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