To make its electric vehicles (EVs) more efficient, Chinese automaker Nio is set to broaden its use of semi-solid-state batteries in its lineup. The expansion is expected to include eleven new models — a substantial increase from its current offering. Contact online >>
To make its electric vehicles (EVs) more efficient, Chinese automaker Nio is set to broaden its use of semi-solid-state batteries in its lineup. The expansion is expected to include eleven new models — a substantial increase from its current offering.
Nio’s journey with solid-state batteries began with the introduction of its 150 kWh battery pack. First unveiled in January 2021, this battery signaled a new era for the company''s flagship ET7 electric sedan. Despite initial delays, the first batch of these innovative cells was delivered by Nio''s partner WeLion in July 2023.
Nio''s 150 kWh semi-solid-state battery pack boasts impressive specs: an energy density of 261 Wh/kg and only a modest increase in weight compared to its predecessors. This development is not just a small step but a significant leap in EV battery technology. The solid electrolyte and advanced cathode materials used in these batteries promise enhanced performance and safety.
A recent test of the ET7 sedan saw the EV complete 648 miles (1,044 km) at an average speed of 52.1 mph (83.9 kph). That''s a huge range figure from the 150 kWh battery. There are other vehicles out there with large batteries but very few are this efficient – take the Rivian R1T for example, its 170 kWh battery will do an estimated 400 miles on a full charge.
Nio shows the capabilities of semi-solid-state batteries and their potential to help usher in a new wave of efficient EVs with more range than what''s currently on the market.
With the inclusion of solid-state battery specifications in its digital user manuals, Nio signals the imminent arrival of these advanced batteries in its vehicles. The ES6 electric SUV, in particular, is slated to be among the first to offer this option.
What''s interesting about Nio''s business model is that the batteries aren''t bought as part of the vehicle sale but are instead rented out to the customer. This enables the use of the Nio battery swap stations, allowing customers to swap for a new battery pack when they run out of charge.
As Nio''s agreement with battery manufacturer WeLion isn''t exclusive, there''s a chance we could start seeing these batteries in other EVs in the future, too. For now, however, the industry eagerly awaits the full-scale implementation of these batteries in Nio vehicles.
While the promised range of 621 miles (1,000 km) on a single charge remains a target, the current 577-mile range (930 km) of the ES6 with the new battery pack is impressive – especially when compared with the cars currently on sale in North America and Europe.
When it comes to distance, Nio ushers in a new era of electric mobility. Their potential ripple effect across the global EV market could mean distances of 500-600 miles on a single charge are not just achievable but expected.
Tata Motors is all set to enter the compact SUV segment with the Curvv SUV. Curvv will be available in both ICE and EV formats. Launch and price reveal are scheduled for August 7, 2024. Ahead of that, details about Curvv EV battery pack options have been leaked.
Curvv EV higher variants will be equipped with a larger 55 kWh battery pack. A range of around 550 km is possible, although the acti.ev platform underpinning the Curvv EV has capability to deliver a range of up to 600 km. For the benefit of customers, Tata Motors will be keen to achieve best-in-segment range for Curvv EV. All variants of Curvv EV will utilize a front-axle mounted electric motor. More details could be revealed in the coming days.
However, range may not actually be that important in the future. It''s because the charging infrastructure is consistently improving. Moreover, the new generation of battery packs are being designed to support ultra-fast charging. These allow users to quickly load 100+ km in just a few minutes.
To ensure its EV customers are not troubled by range anxiety, Tata Motors is working proactively to expand its charging network. There are plans to introduce around 1 lakh charging stations by 2030. These will cater to Tata Motors’ ever-growing community of EV users.
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The new battery pack is expected to bumped up by 10 per cent from the current 60 kWh Lithium Iron Phosphate (LFP) battery pack. The pack will also be supplied by CATL and use the battery giant''s new Lithium Iron Manganese Phosphate (LFMP) battery chemistry.
That''s according to reporting from a Tesla enthusiast, Chris Zheng, who often shares Tesla China-related developments. The latest shared update on Twitter includes the use of this larger 66 kWh battery pack from CATL.
Although the Tweet states 480 km of EPA range, it is worth noting that the current EPA range of the Model 3 in markets like Canada where metric units are used is 438 km.
The WLTP range on the Australian website is 491 km for the same very popular single-motor variant of the Model 3. Transposing the anticipated increase in EPA range, that will deliver a result of around 550kms WLTP.
CATL is currently the main supplier for all of Australian-bound Tesla Model 3 single-motor EVs. This includes both the Tesla Model 3 and the larger Model Y SUV in rear-wheel-drive (RWD) configurations.
Although the current reports suggest that the change will be coming to the Model 3, to begin with, it''s also likely to follow in a subsequent Model Y upgrade down the track.
Not a lot is known in terms of the charging performance of the new pack, but it''s worth noting that according to Tesla''s website, the current LFP 60 kWh battery pack in Model 3 has a specified peak charging speed of 170 kW Max.
This is also not the first time Tesla has bumped the range on the Model 3. Back in November 2021, Tesla increased the range of the same single-motor variant from 450 km to the current 491 km by increasing the size of the battery pack.
This time around, the additional 6 kWh will mean slightly fewer charging stops on long road trips and peace of mind as the range/charger anxiety is reduced for prospective owners.
We look forward to seeing if the new Tesla Model 3 that''s codenamed Project Highland does include this bump at initial production or if it''s something that will trickle in after the production on the new model is scaled.
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