Latest News

Explained: Why e-scooters have been catching fire in India
31 March 2022 IST
Explained: Why e-scooters have been catching fire in India

There have been at least four incidents of two-wheeler vehicles, powered by lithium-ion batteries bursting into flames. What are Li-ion batteries, and how do they work? What caused these vehicles to catch fire?

 
 

Throughout the most recent five days, there have been somewhere around four revealed occurrences of bike electric vehicles - made by any semblance of Ola, Okinawa and Pure EV - suddenly blasting into blazes, bringing to the front wellbeing issues connected with such vehicles, particularly the batteries that power them.
 
EVs are fueled by lithium-particle batteries, of the sort utilized in cellphones and smartwatches, which are by and large viewed as effective and light contrasted with their partners. Be that as it may, they may likewise represent a fire risk, as proven by the new episodes.
 
What are lithium particle batteries, and how would they work?
 
From electric vehicles to cell phones to workstations, lithium-particle (Li-particle) batteries are the most well known battery type today, controlling large number of buyer gadgets all over the planet. A Li-particle battery comprises of an anode, cathode, separator, electrolyte, and two current gatherers. The anode and cathode is in the same place as the lithium put away, while the electrolyte conveys emphatically charged lithium particles from the anode to the cathode as well as the other way around through the separator. The development of the lithium particles makes free electrons in the anode, which makes a charge at the positive current gatherer.
 
The key things that improve a Li-particle battery than different sorts, and more appropriate for things like electric vehicles and cell phones are its light weight, high energy thickness, and capacity to re-energize. Aside from this, Li-particle batteries additionally normally have a more extended life expectancy contrasted with a lead corrosive battery.
 
A Li-particle battery can commonly store 150 watts-hour per kg when contrasted with a lead-corrosive battery which stores something like 25 watts-hour per kg. In straightforward terms, it implies that Li-particle batteries offer more effectiveness contrasted with other battery types while keeping the structure component of an item generally minimal, and that implies an electric vehicle fitted with Li-particle batteries will have a more prominent driving reach, and cell phones will endure longer as the day progressed.

 
 

Nonetheless, perhaps the greatest advantage of Li-particle batteries - its high energy thickness - can likewise be an expected purpose for the battery's demise. As per a blog entry by two-wheel EV producer Ather Energy, Li-particle batteries' high energy thickness implies these phones can become temperamental in specific circumstances, hampering usefulness. They work best inside a safe working breaking point. A battery the executives framework (BMS) is applied to a Li-particle battery to ensure they work securely.
 
What is a battery the executives framework?
 
A BMS is essentially an electronic framework that is associated with every one of the cells in a Li-particle battery pack, which continually measure their voltage and the current coursing through it. A BMS is likewise furnished with a bunch of temperature sensors, giving it data on temperatures at various areas of the battery pack. This information assists the BMS with working out different boundaries of a battery pack, similar to the charging and releasing rate, battery duration cycle, and effectiveness.
 
So for what reason did the Ola, Okinawa and other EVs' batteries burst into flames?
 
The genuine explanations for the Ola and Okinawa EVs bursting into flames are as of now obscure as the organizations have said they are exploring the matter. Nonetheless, Okinawa expressed that from its fundamental perceptions, in light of "sound sources, the media and neighborhood specialists", the fire in its bike was a consequence of shortcircuiting because of "carelessness in charging the vehicle".
 
Be that as it may, these models likewise fill in as a mindful suggestion to the outcomes of flaws inside a Li-particle battery pack. As per industry specialists, various reasons, like assembling abandons, outside harm, or blames in the sending in the BMS could bring about these batteries turning into a fire risk.
 
Then again, temperature, specialists called attention to, assumes an interesting part in a Li-particle battery pack. "While Li-particle batteries regularly perform better in hotter temperatures, very high temperatures could mean the battery pack's surrounding temperature could shoot up as high as 90-100 degrees, which is the point at which they become incredibly inclined to bursting into flames," an agent of an EV maker said, mentioning namelessness.
 
Beside that, EVs and electronic gadgets are outfitted with many batteries together in a battery pack. This implies that regardless of whether a couple of batteries glitch and cause a short out, it can launch a chain response bringing about a fire, considering that a battery pack is firmly loaded with various Li-particle cells. This impact is called warm runway, which, subject matter authorities agree, is the motivation behind why Li-particle batteries burst into flares right away.
 
Aside from this, earlier mishaps of a vehicle which might have harmed the battery pack could likewise now and again lead to it bursting into flames after a couple of patterns of charging.
 
Responding to the new episodes, in a media interview, Tarun Mehta, organizer of Ather Energy, said makers are not investing in some opportunity to plan items and that testing guidelines set somewhere near government bodies may not be to the point of testing all genuine circumstances precisely.
 
What has been the response to these flames?
 
As the actual organizations do interior examinations concerning the occurrences, the Ministry of Road Transport and Highways has requested a test into the vehicles bursting into flames suddenly, and is figured out how to have connected with the Center for Fire Explosive and Environment Safety (CFEES) to do examinations.
 
What are a past instances of flames because of defective in Li-particle batteries?
 
There have been various cases where gadgets or vehicles controlled by Li-particle batteries have emitted into flares. Two of the examples that especially stand apart are Samsung's Note 7, and a Tesla Model S unexpectedly bursting into flames while it was remaining in a parking structure in Shanghai.
 
On account of the Tesla occurrence, the organization said the fire was brought about by a solitary battery module situated at the front of the vehicle and that its examination observed no other framework imperfection.
 
For Samsung's situation, which impacts huge number of its cell phones in the Note 7 series, the organization to a great extent observed assembling imperfections to be the explanation for the fire - at times, the protection tape around the batteries was missing, bringing about shortcircuiting, and a few batteries had sharp distensions inside the phone that prompted harm to the separator between the anode and cathode.

 
 
 
 
 

Related Topics

 
 
 

Trending News & Articles

 Article
Tata Harrier’s 7-seater Version H7X Will Be Quite Different – Report

Tata Harrier’s three-row seat version in works, details out  

Recently posted . 2K views . 0 min read
 

 Article
Mahindra XUV300 vs Maruti Brezza, Ford EcoSport, Tata Nexon – Price

XUV300 is the latest entrant in the compact SUV segment.

Recently posted . 2K views . 0 min read
 

 Article
How to make you car as silent as a Rolls Royce inside

Rolls Royce cars are extremely luxurious. While there are many expensive pieces of equipment in Rolls Royce cars, their most relaxing feature is the silence that ...

Recently posted . 1K views . 2 min read
 

 Article
Spiritual Leader Sadhguru Takes Baba Ramdev For a Ride On a Ducati - Watch Video

Baba Ramdev and Sadhguru also shared their experience in a video uploaded on Youtube with a title “Biker Dudes”.

Recently posted . 1K views . 0 min read
 

 
 

More in Electronics & Gadgets

 Article
Facebook users, take note: These 5 features can make your life easy

There are so many Facebook features which the users are probably not even aware of. Here is a look at few of them.

Recently posted. 664 views . 0 min read
 

 Article
WhatsApp features: How to backup and restore your chats

• If you don't want to miss out on your important WhatsApp messages and media, you must backup your chats

Recently posted. 383 views . 1 min read
 

 Article
Meet Sophia, the first robot to be granted citizenship by Saudi Arabia

Her name is Sophia. She looks a bit like Audrey Hepburn and gives facial expressions while talking. She has an answer for every question. And she is the first robot...

Recently posted. 539 views . 13 min read
 

 Video
Poptheatr - Campaign Video



Recently posted . 769 views
 

 Reviews
Best Iron Brands Online in India 2018



Recently posted . 901 views . 18 min read
 

 Reviews
LG OLED55E8PLA review



Recently posted . 841 views . 70 min read
 

 Article
WhatsApp for Android Once Again Receives Delete for Everyone Deadline Extension

WhatsApp once again brings a new change in its “Delete for Everyone” feature. The feature was first introduced in October last year to help users to r...

Recently posted. 553 views . 4 min read
 

 Article
Scorkl Is A Mini-Scuba Tank That You Can Refill Via A Floor Pump

Small scuba tanks aren’t new – divers have been using them as backup tanks for years. While the Scorkl works much like those redundant scuba systems, it...

Recently posted. 755 views . 1 min read
 

 
 
 

   Prashnavali

  Thought of the Day

“Making one person smile can change the world. Maybe not the whole world but their world.”
Anonymous

Be the first one to comment on this story

Close
Post Comment
Shibu Chandran
2 hours ago

Serving political interests in another person's illness is the lowest form of human value. A 70+ y old lady has cancer.

November 28, 2016 05:00 IST
Shibu Chandran
2 hours ago

Serving political interests in another person's illness is the lowest form of human value. A 70+ y old lady has cancer.

November 28, 2016 05:00 IST
Shibu Chandran
2 hours ago

Serving political interests in another person's illness is the lowest form of human value. A 70+ y old lady has cancer.

November 28, 2016 05:00 IST
Shibu Chandran
2 hours ago

Serving political interests in another person's illness is the lowest form of human value. A 70+ y old lady has cancer.

November 28, 2016 05:00 IST


ads
Back To Top