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Hybrid batteries not designed to our climactic conditions, says expert

28 January 2019 07:33 pm - 14     - {{hitsCtrl.values.hits}}

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Batteries found in the low-budget hybrid vehicles were not manufactured to suit the climatic conditions of Asian countries, but compatible with European and American countries, Auto Hybrid Electronics (Pvt.) Ltd Managing Director Nuwan Madhanayake said.

Madhanayake is a qualified engineer in the hybrid vehicles and the founder and Managing Director of Auto Hybrid Electronic (Pvt.) Ltd and Nuwan Madhanayake Auto Hybrid Training Centre.

Speaking to the Daily Mirror, he said the hybrid batteries, which were made based on the climatic factors of a particular country, could be suitable for another country’s climatic conditions, but not with full efficiency.

“In the European countries, most of their roads were highways and hybrid vehicles that used to run daily have to travel a number of hours to reach a certain destination.”

“The situation is totally different in our country and as there are no such highways in our country. Engines run for short periods of time depending on the traffic conditions. That does not help to charge at least one cell of the battery completely,” he said.

“Therefore, issues in hybrid batteries getting increasing, when comparing to European and American countries.”

“Those countries have higher consideration in emission and vehicles are designed to suit them. When importing hybrid and electric cars, they should be made according to our environment factors,” he said.

“The development in hybrid technology in European and American countries changed instantly within a short number of years. We had adopted their hybrid technology forcefully to our country with a risk of increase the emissions.”

“When it comes to repairing these batteries, none of the said hybrid technicians know much about the technology, with that risk the problem will lead to harmful results.”

“Due to the tax increase, the number of vehicles imported to the country was reduced but before the tax increase, many cars including electric vehicles and hybrid vehicles less than 1000cc were imported.”

There are two types of hybrid batteries as nickel-metal-hydride or NiMH battery and Lithium-ion batteries. These batteries are dry cell and maintenance-free.

“Electric and Plugin Hybrid Vehicles most of the time use lithium-ion batteries. The energy density of lithium-ion batteries are higher than NiMH batteries.”

“NiMH batteries work efficiently within a temperature range of between 22 to 24 Celsius, but lithium-ion batteries need a temperature of 18 Celsius to get its maximum efficiency.”

“If vehicles user NiMH or lithium-ion batteries have a hybrid mechanism the most important thing to maintain was the relevant battery temperature to increase its lifetime,” he said.

“Many luxury and super luxury vehicles are design with inbuilt cooling system for batteries to make them work at maximum efficiency,” he said.

“Since low-budget hybrids do not have such technology due to high costs involved, the batteries run the risk of low performance and durability,” he said. (Chaturanga Samarawickrama)

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  Comments - 14

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  • Kingsley Wijesinhe Monday, 28 January 2019 07:32 PM

    In other words, what he is saying is that we should import only luxury hybrid vehicles for the rich and stop importing lower priced hybrid vehicles that the middle class can afford.

    Karu Monday, 28 January 2019 08:08 PM

    Good information from a learnt person.

    Unchikun Monday, 28 January 2019 08:25 PM

    I have live and worked in Japan for 20 years. The summers in Tokyo are hotter and humid than Sri Lanka. Okinawa would be hotter and humid. This is nothing but a sales pitch where DM has also been taken for a ride in a high price hybrid car!

    Ireshan Monday, 28 January 2019 08:32 PM

    Most of statements he made is baseless and not correct.

    Milhan Monday, 28 January 2019 08:39 PM

    We have been using hybrid batteries for a decade now and never have any incident, i this this person has a hidden agenda of somebody...

    BUSHEL Monday, 28 January 2019 08:40 PM

    WHY DID U WAIT UNTIL PEOPLE BOUGHT THESE CARS? NOW THERE IS A WELL KNOWN COMPANY IN SRI LANKA IMPORTS SMALL HYBRID CAR MANUFACTURED IN JAPAN AFTER STUDYING CONDITIONS IN SRI LANKA.

    Yasa Monday, 28 January 2019 08:44 PM

    He is not only an engineer but also a businessman, so we cant beleive all what he says...

    Same Monday, 28 January 2019 08:56 PM

    Bullock cart is the best as Stupid Siri Lankans do not know how to drive. So no problem with battery's condition

    ala Monday, 28 January 2019 09:02 PM

    Good article. Can you propose a way forward for existing Electric and Hybrid vehicles to increase performance thus giving value for money.

    Roshan Monday, 28 January 2019 09:07 PM

    Not becouse of this. When you compare maintanace cost and capital cost, there is no bussiness case for hybrid unless you use it for taxi.

    thilaknmp Monday, 28 January 2019 10:03 PM

    without proper analyzing, he is spreading rumors, and engineer or technician should have proper base of test reports, baseless business plan or stupid engineer

    Dee Monday, 28 January 2019 10:11 PM

    Buy a petrol car!

    Patriot Tuesday, 29 January 2019 12:47 PM

    What he says should be clarified by the brand owners or their agents in Sri Lanka immediately.

    Karu Tuesday, 29 January 2019 04:17 PM

    Brand owners never accept liability. It's a established fact that hybrid batteries are climate sensitive and cannot be kept idle. Technology itself is different from brand to brand. Good example is Honda's FD3.


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