Graphene batteries: Introduction and Market News - Page 24

Samsung may be in the race to develop a graphene-based alternative to lithium-ion batteries for its phones. Rumors are going around claiming that the Company hopes to have at least one phone with a graphene battery ready next year or by 2021.

The word is that these graphene-based batteries will be capable of a full charge in under a half-hour, but they still need to raise capacities while lowering costs. In 2017, Samsung said its researchers developed a "graphene ball" material that enables five times faster charging speeds than standard lithium-ion batteries.

Analysts from IDTechEx estimate that the global supercapacitor market is around $1.5 billion in annual sales, following several years of decline. IDTechEx, however, believes the market bottomed out in 2018-2019 and is set now for a sustained period of strong growth.

Allied Market Research, supercapacitor market 2016-2022

IDTechEx explains that the market is expected to grow quickly in the coming years, as companies are expected to increase the use of supercapacitors over batteries in electric and hybrid cars as the customers are seeking faster charging and safer transport. Allied Market Research estimates that the Supercapacitor market will grow at a CAGR of 28.7% from 2016 to 2022 and will reach $6.3 billion in 2022, while India-based also sees a fast growth rate of 22% from 2016 to 2022, and estimates a $4 billion market in 2022. Both market research companies did not see the down year in 2016-2019, but it is still interesting to note these market forecasts.

Today we published new versions of all our graphene market reports. Graphene-Info provides comprehensive niche graphene market reports, and our reports cover everything you need to know about these niche markets. The reports are now updated to July 2019.

The Graphene Batteries Market Report:

• The advantages using graphene batteries
• The different ways graphene can be used in batteries
• Various types of graphene materials
• What's on the market today
• Detailed specifications of some graphene-enhanced anode material
• Personal contact details into most graphene developers

The report package provides a good introduction to the graphene battery - present and future. It includes a list of all graphene companies involved with batteries and gives detailed specifications of some graphene-enhanced anode materials and contact details into most graphene developers. Read more here!

Global Graphene Group, and its subsidiary Angstron Energy (AEC) has developed a new graphene/silicon composite anode material (GCA-II-N) which can increase the capacity of Li-Ion batteries while reducing the battery's size and weight. AEC current market focus is on electronic bikes and consumer electronics, but is also working with Tier-1 electric cars and trucks makers.

AEC tells us that by wrapping single-layer graphene (or r-GO) around silicon nanoparticles, the volume expansion/contraction of the Silicon during the battery's charge/discharge cycle can be cushioned by the flexibility and mechanical strength of the graphene. The graphene sheets also form a 3D conductive network which ensures good electrical contacts between the Silicon particles and the current collector.

Researchers at Daegu Gyeongbuk Institute of Science and Technology (DGIST) have developed film-type, graphene-based multi-functional transparent energy devices.

Senior researcher Changsoon Choi's team actively used single-layered graphene film as electrodes in order to develop transparent devices. By using a high-molecule nano-mat that contains a semisolid electrolyte, the research team increased transparency (maximum of 77.4%) to see landscape and letters clearly.

Researchers at Chalmers University of Technology, Sweden, have recently developed a promising breakthrough for lithium sulphur batteries, using a catholyte with a graphene sponge. Such batteries may offer a theoretical energy density more than five times that of lithium ion batteries.

Structure of the lithium sulfur battery

The researchers' approach relies on a porous, sponge-like aerogel, made of reduced graphene oxide, that acts as a free-standing electrode in the battery cell and allows for better and higher utilization of sulphur.

Lithium batteries' tendency to occasionally catch on fire (an occurrence known as thermal runaway) is well documented, and may occur when the batteries overheat or cycle rapidly. Researchers from the University of Illinois at Chicago College of Engineering report that graphene may help with this disturbing issue.

Lithium cobalt oxide particles coated in graphene. Image by UIC

Conditions such as rapid cycling or charging and discharging, and high temperatures in the battery can cause the cathode inside the battery — which in the case of most lithium batteries is a lithium-containing oxide, usually lithium cobalt oxide — to decompose and release oxygen. If the oxygen combines with other flammable products given off through decomposition of the electrolyte under high enough heat, spontaneous combustion can occur.

Today we published new versions of all our graphene market reports. Graphene-Info provides comprehensive niche graphene market reports, and our reports cover everything you need to know about these niche markets. The reports are now updated to April 2019.

The Graphene Batteries Market Report:

• The advantages using graphene batteries
• The different ways graphene can be used in batteries
• Various types of graphene materials
• What's on the market today
• Detailed specifications of some graphene-enhanced anode material
• Personal contact details into most graphene developers

The report package provides a good introduction to the graphene battery - present and future. It includes a list of all graphene companies involved with batteries and gives detailed specifications of some graphene-enhanced anode materials and contact details into most graphene developers. Read more here!

The EU Graphene Flagship has published its graphene application roadmap, showing when the flagship expects different graphene applications to mature and enter the market.

As can be seen in the roadmap above (click here for a larger image), the first applications that are being commercialized now are applications such as composite functional coatings, graphene batteries, low-cost printable electronics (based on graphene inks), photodetectors and biosensors.

Talga Resources has revealed new test results on the ongoing optimization of its graphene silicon Li-ion battery anode product, Talnodeâ„¢- Si. According to Talga, the battery anode product returns further performance gains, now delivering ~70% more energy density than commercial graphite-only anodes.

The product reportedly provides a drop in solution for improving current Li-ion battery performance. Commercial samples under confidentiality and material transfer agreements are scheduled to commence delivery around the end of February 2019 - recipients are said to include some of the world’s largest electronic corporations.