My batoning days go back before I had the Internet and learned that the technique was called 'batoning.' I think my earliest recollection of splitting wood with a knife goes back to the first 'survival' book I ever purchased,the SAS Survival Guide. In the book, Lofty Wiseman mentions splitting wood by hitting the spline of a knife with a rock. Since I had a knife with a saw back spine (Buck M9), I was reluctant to use a rock for fear of damaging the saw teeth. So, I picked up a small log, and the rest is history.
I have always used a 'baton', usually a big stick or small log, to split campfire wood. However, when splitting wood with a knife, I have always been careful to not to overtask whatever knife I am using. I have used knives ranging from basic Moras and some folders (for smaller, lighter splitting) to my Camillus-made Becker Brute (which has been pounded through some gnarly pieces).
Technique-wise, I view the knive blade as a wedge. I never strike it with the intention of driving all the way through a piece of wood in one stroke. How hard I strike the blade will depend on the the knife I am using, the quality of the wood I am trying to split, and the size and weight of the baton. When possible, I like to use a bucking wedge, too.
I was only able to locate a couple of my pics that relate to batoning:
Benchmade's 5" folder. I used this knife to split wood to make a set of BBQ tongs:
This is a Marttiini 'novelty' knife that my brother-in-law picked up for me when he went to Finland. It is a handsome knife. I think my researched yielded that it was made of something akin to a 420 stainless steel. But it worked just fine; the edge held up pretty well:
My RS6 Predator has seen quite a bit of splitting duty, as well. I've posted these pics 87 bllion times already here, so sorry for the repetitive repeats:
Using a bucking wedge:
Final results from that morning:
I also baton my hatchets, too. I do not own a hatchet larger than a 14" Gerber or Fiskars, so a baton is necessary for splitting wood safely with these tools. I do not take a full-sized ax when backpacking or car camping.
And for the record, I have never broken a knife or hatchet.
Whether you choose to baton or not is up to you. Bottom line is we are all fans of edged tools, and that's what brings us all together.